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CVE-2026-76490

Cisco Expressway Series Software Hardening Release: October 2026 - Out-of-bounds Write Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Expressway Series software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.   The vulnerabilities tracked by CVE-2026-76490 are related to issues concerning out-of-bounds writes that are grouped under the Common Weakness Enumeration (CWE) Base CWE-787.

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Expressway Series
CVE-2026-76484

Cisco License On-Prem Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the engineering team for Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem (SSM On-Prem), has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76484 are related to issues with insufficient protection against code injection that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-94.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Cisco License On-prem
CVE-2026-76483

Cisco License On-Prem Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the engineering team for Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem (SSM On-Prem), has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. &nbsp; The vulnerabilities tracked by CVE-2026-76483 are related to issues with insufficiently protected credentials that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-522.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Cisco License On-prem
CVE-2026-76482

Cisco License On-Prem Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the engineering team for Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem (SSM On-Prem), has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76482 are related to issues with improper input verification that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-347.

CVSS 3.1 · 10 Critical EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Cisco License On-prem
CVE-2026-76481

Cisco Unified Communications Products Hardening Release: October 2026 - Improper Check or Handling of Exceptional Conditions Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM &amp; Presence Service (Unified CM IM&amp;P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection have conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76481 are related to issues concerning improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Cisco Unified Communications Manager Emergency Responder Unified Communications Manager Im And Presence Service and 1 more
CVE-2026-76480

Cisco License On-Prem Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the engineering team for Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem (SSM On-Prem), has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76480 are related to issues with improper authentication that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-306.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Cisco License On-prem
CVE-2026-76479

Cisco Unified Communications Products Hardening Release: October 2026 - Path Traversal Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM &amp; Presence Service (Unified CM IM&amp;P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection have conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76479 are related to issues concerning improper limitation of a pathname to a restricted directory that are grouped under the Common Weakness Enumeration (CWE) Base CWE-22.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Cisco Unified Communications Manager Emergency Responder Unified Communications Manager Im And Presence Service and 1 more
CVE-2026-76478

Cisco Unified Communications Products Hardening Release: October 2026 - Improper Access Control Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM &amp; Presence Service (Unified CM IM&amp;P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection have conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76478 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Cisco Unified Communications Manager Emergency Responder Unified Communications Manager Im And Presence Service and 1 more
CVE-2026-76477

Cisco Unified Communications Products Hardening Release: October 2026 - Injection Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM &amp; Presence Service (Unified CM IM&amp;P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection have conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76477 are related to issues concerning improper neutralization of special elements used in an SQL command that are grouped under the Common Weakness Enumeration (CWE) Base CWE-89.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Cisco Unified Communications Manager Emergency Responder Unified Communications Manager Im And Presence Service and 1 more
CVE-2026-76476

Cisco Unified Communications Products Hardening Release: October 2026 - Improper Input Validation Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM &amp; Presence Service (Unified CM IM&amp;P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection have conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. &nbsp; The vulnerabilities tracked by CVE-2026-76476 are related to issues concerning improper input validation that are grouped under the Common Weakness Enumeration (CWE) Class CWE-20.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Cisco Unified Communications Manager Emergency Responder Unified Communications Manager Im And Presence Service and 1 more
CVE-2026-76475

Cisco Unified Communications Products Hardening Release: October 2026 - Cross-site Scripting Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM &amp; Presence Service (Unified CM IM&amp;P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection have conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76475 are related to issues concerning improper neutralization of input during web page generation that are grouped under the Common Weakness Enumeration (CWE) Base CWE-79.

CVSS 3.1 · 9.3 Critical EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Cisco Unified Communications Manager Emergency Responder Unified Communications Manager Im And Presence Service and 1 more
CVE-2026-76474

Cisco Unified Communications Products Hardening Release: October 2026 - Improper Authentication Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM &amp; Presence Service (Unified CM IM&amp;P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection have conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76474 are related to issues concerning improper authentication that are grouped under the Common Weakness Enumeration (CWE) Class CWE-287.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Cisco Unified Communications Manager Emergency Responder Unified Communications Manager Im And Presence Service and 1 more
CVE-2026-76473

Cisco Unified Communications Products Hardening Release: October 2026 - Improper control of a resource through its lifetime.

As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM &amp; Presence Service (Unified CM IM&amp;P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection have conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76473 are related to issues concerning improper neutralization of special elements in output used by a downstream component that are grouped under the Common Weakness Enumeration (CWE) Class CWE-74.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Cisco Unified Communications Manager Emergency Responder Unified Communications Manager Im And Presence Service and 1 more
CVE-2026-76472

Cisco Meraki Security Hardening Release October 2026 - Improper Neutralization of Special Elements Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-76472 are related to issues with improper neutralization of special elements that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-74.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Campus Gateway Software Meraki Mr Wireless Access Point Software Meraki Mv Firmware and 1 more
CVE-2026-76470

Cisco Meraki Hardening Release - Incorrect Calculation Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76470 are related to incorrect calculation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-682.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Campus Gateway Software Meraki Mr Wireless Access Point Software Meraki Mv Firmware and 1 more
CVE-2026-76469

Cisco Meraki Security Hardening Release: October 2026 Insufficient Control Flow Management Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76469 are related to insufficient control flow management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-691.

CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Campus Gateway Software Meraki Mr Wireless Access Point Software Meraki Mv Firmware and 1 more
CVE-2026-76468

Cisco Meraki Hardening Release - Input Validation Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76468 are related to improper input validation that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-20.

CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Campus Gateway Software Meraki Mr Wireless Access Point Software Meraki Mv Firmware and 1 more
CVE-2026-76467

Cisco Meraki Software Hardening Release - Resource Lifetime Management Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76467 are related to issues concerning improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Campus Gateway Software Meraki Mr Wireless Access Point Software Meraki Mv Firmware and 1 more
CVE-2026-76464

Cisco Meraki Hardening Release October 2026 - Buffer Management Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by this CVE-2026-76464 are related to buffer management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-119.

CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Campus Gateway Software Meraki Mr Wireless Access Point Software Meraki Mv Firmware and 1 more
CVE-2026-76463

Cisco Meraki Security Hardening Release: October 2026 - Improper Access Control Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76463 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Campus Gateway Software Meraki Mr Wireless Access Point Software Meraki Mv Firmware and 1 more