CVE-2026-122987 json
Microsoft High Performance Computing (HPC) Pack Elevation of Privilege Vulnerability
published yesterday modified 17h ago also EUVD-2026-122269
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
Missing authentication for critical function in Microsoft High Performance Computing (HPC) Pack allows an unauthorized attacker to elevate privileges over a network.
Patch / fix
- Microsoft Microsoft HPC Pack 2019 6.3.8364
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- yesterday
Exploit prediction
0.69% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Microsoft Microsoft HPC Pack 2016
- Microsoft Microsoft HPC Pack 2019
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-122987
vendor-advisory, patch
Sources
- CVE List CVE-2026-122987
- NVD CVE-2026-122987
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