Vulnerability in Microsoft Windows Server 2008
CVE-2025-27740
Weak authentication in Windows Active Directory Certificate Services allows an authorized attacker to elevate privileges over a network.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.034 (88.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.034 · change: +0.002
Affected products
- Microsoft Windows Server 2008 — versions r2
- Microsoft Windows Server 2008 R2 Service Pack 1 — versions 6.1.7601.0
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core Installation) — versions 6.1.7601.0
- Microsoft Windows Server 2008 Service Pack 2 — versions 6.0.6003.0
- Microsoft Windows Server 2008 Service Pack 2 (Server Core Installation) — versions 6.0.6003.0
- Microsoft Windows Server 2012 — versions 6.2.9200.0
- Microsoft Windows Server 2012 — versions r2
- Microsoft Windows Server 2012 R2 — versions 6.3.9600.0
- Microsoft Windows Server 2012 R2 (Server Core Installation) — versions 6.3.9600.0
- Microsoft Windows Server 2012 (Server Core Installation) — versions 6.2.9200.0
Weakness classification (CWE)
References
- Active Directory Certificate Services Elevation of Privilege Vulnerability (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-27740?
- CVE-2025-27740 is a high-severity vulnerability in Microsoft Windows Server 2008, classified under Weak Authentication. CVSS score: 8.8/10. Published 2025-04-08.
- How severe is CVE-2025-27740?
- High severity. CVSS v3 base score is 8.8 out of 10.