CVE-2025-49667: Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally

High severity · published Jul 8, 2025

CVE-2025-49667

Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally

7.8

CVSS

0.6%

EPSS

On KEV

Description

Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack vector

Local

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.6% · higher than 47% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Windows 10 1507 · Microsoft

before 10.0.10240.21073; before 10.0.10240.21073 · source: NVD

Windows 10 1607 · Microsoft

before 10.0.14393.8246; before 10.0.14393.8246 · source: NVD

Windows 10 1809 · Microsoft

before 10.0.17763.7558; before 10.0.17763.7558 · source: NVD

Windows 10 21h2 · Microsoft

before 10.0.19044.6093 · source: NVD

Windows 10 22h2 · Microsoft

before 10.0.19045.6093 · source: NVD

Windows 11 22h2 · Microsoft

before 10.0.22621.5624 · source: NVD

Windows 11 23h2 · Microsoft

before 10.0.22631.5624 · source: NVD

Windows 11 24h2 · Microsoft

before 10.0.26100.4652 · source: NVD

Windows Server 2008 · Microsoft

r2 · source: NVD

Windows Server 2012 · Microsoft

r2 · source: NVD

Windows Server 2016 · Microsoft

before 10.0.14393.8246 · source: NVD

Windows Server 2019 · Microsoft

before 10.0.17763.7558 · source: NVD

Affected product

Windows 10 1507

Microsoft

All Windows 10 1507 CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-49667

CVE.org

https://www.cve.org/CVERecord?id=CVE-2025-49667

Vendor Advisory

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49667