Skip to content
VulniPulse
Sign in
High8.1Microsoft Server

High [CVE-2025-26671] Windows Remote Desktop Services Remote Code Execution Vulnerability

This high-severity Microsoft Server advisory covers CVE-2025-26671 affecting Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2012 (Server Core installation), Windows Server 2012 R2 (Server Core installation).

CVE-2025-26671 Published Apr 8, 2025Updated by vendor Aug 10, 2026
CVE-2025-26671
Affected products & platforms
Microsoft ServerWindows Server
Open vendor advisory

Android app · Google Play

Monitor future Microsoft Server CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery
Get CVE alertsSee app features

Summary

Use after free in Windows Remote Desktop Services allows an unauthorized attacker to execute code over a network.

Affected products named by the advisory: Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2012; Windows Server 2012 (Server Core installation); and 10 more.

Affected products named by the advisory: Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); Windows Server 2022, 23H2 Edition (Server Core installation); and 1 more.

Affected versions
  • Windows Server 2008 R2 Service Pack 1 6.1.7601.0 before 6.1.7601.27670
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 before 6.1.7601.27670
  • Windows Server 2012 6.2.9200.0 before 6.2.9200.25423
  • Windows Server 2012 (Server Core installation) 6.2.9200.0 before 6.2.9200.25423
  • Windows Server 2012 R2 6.3.9600.0 before 6.3.9600.22523
  • Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 before 6.3.9600.22523
  • Windows Server 2016 10.0.14393.0 before 10.0.14393.7969
  • Windows Server 2016 (Server Core installation) 10.0.14393.0 before 10.0.14393.7969
  • Windows Server 2019 10.0.17763.0 before 10.0.17763.7136
  • Windows Server 2019 (Server Core installation) 10.0.17763.0 before 10.0.17763.7136
  • Windows Server 2022 10.0.20348.0 before 10.0.20348.3453
  • Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 before 10.0.25398.1551

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Fixed versions
  • 6.1.7601.27670
  • 6.2.9200.25423
  • 6.3.9600.22523
  • 10.0.14393.7969
  • 10.0.17763.7136
  • 10.0.20348.3453
  • 10.0.25398.1551
  • 10.0.26100.3775

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Mitigation

Upgrade to a fixed release: 6.1.7601.27670, 6.2.9200.25423, 6.3.9600.22523, 10.0.14393.7969, 10.0.17763.7136, 10.0.20348.3453. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.

Sign in to join the discussion.