CVE-2025-21198: microsoft hpc_pack_2016
CVSS: 9.0v3.1CriticalAnalyzed
Published 11-02-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-21198 is a critical (CVSS 9.0) vulnerability in microsoft hpc_pack_2016. EPSS estimates a 0.95% chance of exploitation in the next 30 days, higher than 60.6% of scored vulnerabilities.
CVSS score
9.0/10
010
Critical · v3.1 (CVE.org)EPSS score
0.95%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-02-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST9.0CriticalCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.95%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
+0.01 pp
From 0.94% on 20-09-2026
20-09-202620-10-2026
EPSS score0.95%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft4 products
- hpc_pack_2016< 2016.3
- hpc_pack_2019< 6.3.8328.0
- microsoft hpc pack 2016≥ 1.0.0, < 2016.3
- microsoft hpc pack 2019≥ 1.0.0, < 6.3.8328.0
1 vendor · 4 products