Use After Free in Microsoft Windows Server 2012
CVE-2025-27480
Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.
Vulnerability class: Use-After-Free
EPSS: 0.070 (93.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- 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
- Microsoft Windows Server 2016 — versions 10.0.14393.0
- Microsoft Windows_server_2016
- Microsoft Windows Server 2016 (Server Core Installation) — versions 10.0.14393.0
- Microsoft Windows Server 2019 — versions 10.0.17763.0
- Microsoft Windows_server_2019
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-27480?
- CVE-2025-27480 is a high-severity vulnerability in Microsoft Windows Server 2012, classified under Use After Free. CVSS score: 8.1/10. Published 2025-04-08.
- How severe is CVE-2025-27480?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2025-27480 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.