Windows Server 2012 R2 CVEs and Security Vulnerabilities

CVE-2026-59132

Windows TCP/IP Denial of Service Vulnerability

Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.

CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 23 more

CVE-2026-59135

Microsoft Windows Search Component Information Disclosure Vulnerability

Weak authentication in Microsoft Windows Search Component 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 23 more

CVE-2026-59134

Remote Desktop Client Remote Code Execution Vulnerability

Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

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

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 23 more

CVE-2026-59136

Microsoft COM for Windows Information Disclosure Vulnerability

Use of uninitialized resource in Microsoft COM for Windows 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 23 more

CVE-2026-59137

Windows Event Logging Service Information Disclosure Vulnerability

Use of uninitialized resource in Windows Event Logging 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 23 more

CVE-2026-59138

Microsoft Remote Registry Service Denial of Service Vulnerability

Null pointer dereference in Microsoft Remote Registry Service allows an authorized attacker to deny service over a network.

CVSS 3.1 · 6.5 Medium EPSS 1.1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 23 more

CVE-2026-61345

Microsoft Remote Registry Service Denial of Service Vulnerability

Null pointer dereference in Microsoft Remote Registry Service allows an authorized attacker to deny service over a network.

CVSS 3.1 · 6.5 Medium EPSS 1.1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 23 more

CVE-2026-61353

Windows Telephony Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Telephony Service 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 23 more

CVE-2026-61347

Windows Event Logging Service Information Disclosure Vulnerability

Buffer over-read in Windows Event Logging 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 23 more

CVE-2026-61348

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Use after free in Windows Ancillary Function Driver for WinSock 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 23 more

CVE-2026-61350

Windows NTFS Information Disclosure Vulnerability

Buffer over-read in Windows NTFS allows an unauthorized attacker to disclose information with a physical attack.

CVSS 3.1 · 4.6 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 23 more

CVE-2026-61367

Windows Remote Desktop Services Elevation of Privilege Vulnerability

Missing authentication for critical function in Windows Remote Desktop Services 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 23 more

CVE-2026-61366

Windows Network Connection Broker Elevation of Privilege Vulnerability

Double free in Windows Network Connection Broker 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 23 more

CVE-2026-61924

Windows Remote Desktop Client Information Disclosure Vulnerability

Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 23 more

CVE-2026-61937

Windows HTTP.sys Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows HTTP.sys 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 23 more

CVE-2026-62692

Windows Remote Desktop Services Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Remote Desktop Services 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 23 more

CVE-2026-61939

Winlogon Elevation of Privilege Vulnerability

Use after free in Winlogon 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 23 more

CVE-2026-62712

Windows Win32k Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Win32K 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 23 more

CVE-2026-62718

Windows DHCP Server Information Disclosure Vulnerability

Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows Server 2012 and 11 more

CVE-2026-62715

Windows DHCP Server Information Disclosure Vulnerability

Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows Server 2012 and 10 more

Search vulnerabilities

Windows TCP/IP Denial of Service Vulnerability

Microsoft Windows Search Component Information Disclosure Vulnerability

Remote Desktop Client Remote Code Execution Vulnerability

Microsoft COM for Windows Information Disclosure Vulnerability

Windows Event Logging Service Information Disclosure Vulnerability

Microsoft Remote Registry Service Denial of Service Vulnerability

Microsoft Remote Registry Service Denial of Service Vulnerability

Windows Telephony Service Elevation of Privilege Vulnerability

Windows Event Logging Service Information Disclosure Vulnerability

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Windows NTFS Information Disclosure Vulnerability

Windows Remote Desktop Services Elevation of Privilege Vulnerability

Windows Network Connection Broker Elevation of Privilege Vulnerability

Windows Remote Desktop Client Information Disclosure Vulnerability

Windows HTTP.sys Elevation of Privilege Vulnerability

Windows Remote Desktop Services Elevation of Privilege Vulnerability

Winlogon Elevation of Privilege Vulnerability

Windows Win32k Elevation of Privilege Vulnerability

Windows DHCP Server Information Disclosure Vulnerability

Windows DHCP Server Information Disclosure Vulnerability