What is CVE-2025-53788?

CVE-2025-53788 is a high-severity vulnerability in Microsoft Windows_subsystem_for_linux, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.0/10. Published 2025-08-12.

How severe is CVE-2025-53788?

High severity. CVSS v3 base score is 7.0 out of 10.

Is CVE-2025-53788 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Windows_subsystem_for_linux

CVE-2025-53788

Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.002 (11.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Windows_subsystem_for_linux
Microsoft Windows Subsystem For Linux (Wsl2) — versions 5.0.0.0

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-53788?: CVE-2025-53788 is a high-severity vulnerability in Microsoft Windows_subsystem_for_linux, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.0/10. Published 2025-08-12.
How severe is CVE-2025-53788?: High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2025-53788 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.