CVE-2025-55691 json
Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability
published last yr. modified 22d ago also EUVD-2025-34330
- cvss
- 7.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 25%
- public exploits
- 0
- none known
Summary
Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.
Patch / fix
- Microsoft Windows 11 Version 24H2 10.0.26100.6899
- Microsoft Windows 11 Version 25H2 10.0.26200.6899
- Microsoft Windows Server 2025 10.0.26100.6899
- Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.6899
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 11 Version 25H2
- Microsoft Windows Server 2025
- Microsoft Windows Server 2025 (Server Core installation)
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2025-55691
vendor-advisory, patch
Sources
- CVE List CVE-2025-55691
- NVD CVE-2025-55691
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.