CVE-2025-21297: microsoft windows_server_2008 Use After Free
CVSS: 8.1v3.1HighAnalyzed
Published 14-01-2025Last modified 09-06-2026
Vulnerability summary
CVE-2025-21297 is a high (CVSS 8.1) Use After Free vulnerability in microsoft windows_server_2008. EPSS estimates a 1.46% chance of exploitation in the next 30 days, higher than 73.2% of scored vulnerabilities.
CVSS score
8.1/10
010
High · v3.1 (CVE.org)EPSS score
1.46%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-01-2025PublishedVulnerability first disclosed.
- 09-06-2026Last modifiedVulnerability information updated.
Description
Windows Remote Desktop Services Remote Code Execution Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.46%
Chance of exploitation in the next 30 days
Percentile
73%
Versus all other CVEs
30-day change
+0.02 pp
From 1.44% on 21-09-2026
21-09-202621-10-2026
EPSS score1.46%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft16 products
- windows_server_2008r2:sp1
- windows server 2008 r2 service pack 1≥ 6.1.7601.0, < 6.1.7601.27520
- windows server 2008 r2 service pack 1 (server core installation)≥ 6.1.7601.0, < 6.1.7601.27520
- windows server 2012≥ 6.2.9200.0, < 6.2.9200.25273 | na | r2
- windows server 2012 r2≥ 6.3.9600.0, < 6.3.9600.22371
1 vendor · 16 products
