Windows CVEs and Security Vulnerabilities

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CVE-2026-88231

Windows iSCSI Information Disclosure Vulnerability

Out-of-bounds read in Windows iSCSI allows an authorized attacker to disclose information over a network.

CVSS 3.1 · 5.7 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 10 more

CVE-2026-88230

Windows LUA File Virtualization Filter Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows LUAFV allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 10 more

CVE-2026-88228

Windows Local Security Authority Subsystem Service (LSASS) Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 10 more

CVE-2026-88227

Windows Local Security Authority Subsystem Service (LSASS) Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 10 more

CVE-2026-88221

Windows Broadcast DVR User Service Elevation of Privilege Vulnerability

Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1809 Windows 10 21h2 Windows 10 22h2 and 5 more

CVE-2026-88220

Windows Performance Counters Information Disclosure Vulnerability

Buffer over-read in Windows Performance Counters allows an authorized attacker to disclose information locally.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 10 more

CVE-2026-70240

Windows Kerberos Denial of Service Vulnerability

Missing release of memory after effective lifetime in Windows Kerberos allows an unauthorized attacker to deny service over a network.

CVSS 3.1 · 7.5 High EPSS 1.1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 10 more

CVE-2026-70120

Microsoft Bluetooth Driver Elevation of Privilege Vulnerability

Use after free in Microsoft Bluetooth Driver allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 10 more

CVE-2026-70231

Windows Local Security Authority Subsystem Service (LSASS) Elevation of Privilege Vulnerability

Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 10 more

CVE-2026-85862

Windows Error Reporting Elevation of Privilege Vulnerability

Double free in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 10 more

CVE-2026-83684

Windows iSCSI Target Service Information Disclosure Vulnerability

Buffer over-read in Windows iSCSI Target Service allows an unauthorized attacker to disclose information over a network.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows Server 2016 Windows Server 2019 Windows Server 2022 and 1 more

CVE-2026-85801

Windows Local Security Authority Subsystem Service (LSASS) Elevation of Privilege Vulnerability

Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 10 more

CVE-2026-84004

AMD Zen Information Disclosure Vulnerability

Processor optimization removal or modification of security-critical code in AMD Zen allows an authorized attacker to disclose information locally.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 12 more

CVE-2026-84005

AMD Zen Information Disclosure Vulnerability

Processor optimization removal or modification of security-critical code in AMD Zen allows an authorized attacker to disclose information locally.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1809 Windows 11 23h2 Windows 11 24h2 and 6 more

CVE-2026-83894

RPC Runtime Elevation of Privilege Vulnerability

Use after free in RPC Runtime allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 11 24h2 Windows 11 25h2 Windows 11 26h1 and 1 more

CVE-2026-119818

Windows Text Services Framework Elevation of Privilege Vulnerability

Incorrect authorization in Windows Text Services Framework allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 20 more

CVE-2026-119847

Windows Kerberos Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 20 more

CVE-2026-119852

Windows Installer Elevation of Privilege Vulnerability

Missing authorization in Windows Installer allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 20 more

CVE-2026-119855

Windows COM+ Event System Service Information Disclosure Vulnerability

Buffer over-read in Windows COM+ Event System Service allows an authorized attacker to disclose information locally.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 20 more

CVE-2026-119860

Windows Internet Connection Sharing (ICS) Elevation of Privilege Vulnerability

Use after free in Windows Internet Connection Sharing (ICS) allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 20 more

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