PatchTheCVEWindows Server 2012: security updates (KB) and vulnerabilities
2 KB updates fix 3 tracked CVEs for Windows Server 2012.
Windows Server 2012 has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 3. Most recent: 2026-10-13. Highest priority: CVE-2026-96960 (score 52/100).
- CVE-2026-96960 HIGH 7.5 UPGRADE DOWNGRADE Asymmetric resource consumption (amplification) in .NET allows an unauthorized attacker to deny service over a
- CVE-2026-96959 HIGH 7.5 UPGRADE DOWNGRADE Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service o
- CVE-2026-108136 HIGH 7.8 UPGRADE UPGRADE Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges local
FAQ
How do I fix Windows Server 2012 vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is Windows Server 2012 being exploited right now?
None of the tracked Windows Server 2012 CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which Windows Server 2012 CVE should I patch first?
CVE-2026-96960 currently ranks highest (52/100): Asymmetric resource consumption (amplification) in .NET allows an unauthorized attacker to deny service over a.
Security updates (KB) for Windows Server 2012
| KB | Fixed build | CVEs fixed | Newest CVE |
|---|---|---|---|
| KB5126835 | 6.2.9200.26434 | 1 | 2026-10-13 |
| KB5127660 | 2.0.50727.8987 AND 3.0.30729.8982 | 2 | 2026-10-13 |
Install the KB from Windows Update, then verify with Get-HotFix -Id KBxxxxxxx or winver. Fixed build is the OS build number after the update.