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Home / Threats / Known vulnerabilities in the Windows Server 2012 R2 plugin

Known vulnerabilities in the Windows Server 2012 R2 plugin

35 security advisories have been published for the Windows Server 2012 R2 plugin. Each entry below states what an attacker can do, what privilege they need, and the version the issue was fixed in.

Windows Server 2012 R2 - Security Vulnerability (CVE-2026-21265) MEDIUM 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20940) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20931) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20934) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20936) MEDIUM 2026-01-13
Windows Server 2012 R2 - Broken Access Control (CVE-2026-20929) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20926) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20925) MEDIUM 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20927) MEDIUM 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20922) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20921) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20919) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20875) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20868) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20869) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20872) MEDIUM 2026-01-13
Windows Server 2012 R2 - Improper Input Validation (CVE-2026-20856) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20860) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20849) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20848) HIGH 2026-01-13
Windows Server 2012 R2 - Information Disclosure (CVE-2026-20847) MEDIUM 2026-01-13
Windows Server 2012 R2 - Broken Access Control (CVE-2026-20843) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20840) HIGH 2026-01-13
Windows Server 2012 R2 - Broken Access Control (CVE-2026-20839) MEDIUM 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20833) MEDIUM 2026-01-13
Windows Server 2012 R2 - Path Traversal (CVE-2026-20834) MEDIUM 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20831) HIGH 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20828) MEDIUM 2026-01-13
Windows Server 2012 R2 - Security Vulnerability (CVE-2026-20820) HIGH 2026-01-13
Windows Server 2012 R2 - Information Disclosure (CVE-2026-20821) MEDIUM 2026-01-13

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