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WS
Product
Windows Server 2012 R2 (Server Core installation)
by Microsoft · last CVE Oct 13, 2026
On CISA KEVExploited in the wildRansomware-linked
2,158
CVEs
101
On KEV
9.9
Max CVSS
657
New 30D
Vulnerabilities2,158In the news12Timeline
Severity mix
Critical 104High 378Medium 18Low 0
Severity
All severities500Critical104High378Medium18Low0
Exploitation
On CISA KEV101Exploited in the wild101
Watch

Add Windows Server 2012 R2 (Server Core installation) to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-49798
9.3
0%
Jul 14
Windows Kernel Elevation of Privilege Vulnerability
Affected: 6.3.9600.0 before 6.3.9600.23291
CVE-2026-96252
9.1
1%
Oct 13
Active Directory Federation Services (AD FS) Spoofing Vulnerability
Affected: 6.3.9600.0 before 6.3.9600.23470
CVE-2026-45602
9.1
0%
Jun 9
Windows Dynamic Host Configuration Protocol (DHCP) Tampering Vulnerability
Affected: 6.3.9600.0 before 6.3.9600.23228
CVE-2026-105008
9.0
1%
Oct 13
Windows Schannel Spoofing Vulnerability
Affected: 6.3.9600.0 before 6.3.9600.23470
Page 3 of 3 · 104 total
123
The 500 most important CVEs for this product (exploited first, then by severity)