CVE-2025-49734 json
PowerShell Direct Elevation of Privilege Vulnerability
published 2025-09-09 13 mo ago modified 2026-09-08 2 mo ago also BIT-powershell-2025-49734 , EUVD-2025-27373
- 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 26%
- public exploits
- 0
- none known
Summary
Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker to elevate privileges locally.
Patch / fix
- bitnami powershell 7.4.12, 7.5.3
- Microsoft PowerShell 7.4 7.4.12
- Microsoft PowerShell 7.5 7.5.3
- Microsoft Windows 10 Version 1607 10.0.14393.8422
- Microsoft Windows 10 Version 1809 10.0.17763.7792
- Microsoft Windows 10 Version 21H2 10.0.19044.6332
- Microsoft Windows 10 Version 22H2 10.0.19045.6332
- Microsoft Windows 11 version 22H2 10.0.22621.5909
- Microsoft Windows 11 version 22H3 10.0.22631.5909
- Microsoft Windows 11 Version 23H2 10.0.22631.5909
- Microsoft Windows 11 Version 24H2 10.0.26100.6584
- Microsoft Windows Server 2016 10.0.14393.8422
- Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.8422
- Microsoft Windows Server 2019 10.0.17763.7792
- Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.7792
- Microsoft Windows Server 2022 10.0.20348.4171
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1849
- Microsoft Windows Server 2025 10.0.26100.6584
- Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.6584
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 13 mo ago
Exploit prediction
0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).
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 |
| OSV | 3.1 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | powershell | >=7.4.0, <7.4.12 >=7.5.0, <7.5.3 |
7.4.12 7.5.3 |
Affected products
- Microsoft PowerShell 7.4
- Microsoft PowerShell 7.5
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 version 22H2
- Microsoft Windows 11 version 22H3
- Microsoft Windows 11 Version 23H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows Server 2022
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
- Microsoft Windows Server 2025
- Microsoft Windows Server 2025 (Server Core installation)
Classification
- Weakness
-
- CWE-923 Improper Restriction of Communication Channel to Intended Endpoints
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2025-49734
vendor-advisory, patch, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2025-49734
web
Sources
- CVE List CVE-2025-49734
- NVD CVE-2025-49734
- OSV BIT-powershell-2025-49734
Fencer Vulns 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.