CVE-2025-26675
Windows Subsystem for Linux Elevation of Privilege Vulnerability
Out-of-bounds read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Windows Subsystem for Linux Elevation of Privilege Vulnerability
Out-of-bounds read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
- Record
CVE-2025-26675- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2025-10210
Out-of-bounds read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
- Record
EUVD-2025-10210- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-vg94-crh4-qq4x
Out-of-bounds read in Windows Subsystem for Linux allows an authorized attacker to elevate...
Out-of-bounds read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
- Record
GHSA-vg94-crh4-qq4x- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
Out-of-bounds read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
- Record
CVE-2025-26675- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-26675
Out-of-bounds read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
- Record
UBUNTU-CVE-2025-26675- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
- 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 2022
- microsoft windows server 2022, 23h2 edition (server core installation)
- microsoft windows server 2025
- microsoft windows server 2025 (server core installation)
- microsoft windows 10 21h2
- microsoft windows 10 22h2
Affected packages
| Package | Affected | Fixed |
|---|---|---|
wslUbuntu:16.04:LTS |
All versions, plus listed versions 0.2.1-1 |
None known |
wslUbuntu:18.04:LTS |
All versions, plus listed versions 0.2.1-1 |
None known |
wslUbuntu:20.04:LTS |
All versions, plus listed versions 0.2.1-1 |
None known |
wslUbuntu:22.04:LTS |
All versions, plus listed versions 0.2.1-20.2.1-3 |
None known |
wslUbuntu:24.04:LTS |
All versions, plus listed versions 0.2.1-3 |
None known |
wslUbuntu:25.10 |
All versions, plus listed versions 0.2.1-60.2.1-6build1 |
None known |
wslUbuntu:26.10 |
All versions, plus listed versions 0.2.1-6build1 |
None known |
wslUbuntu:26.04:LTS |
All versions, plus listed versions 0.2.1-6build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-26675 is a high vulnerability (CVSS 7.8) in Microsoft Windows 10 Version 21h2, published April 8, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 48th percentile. No source names a fixed version.