CVE-2026-57973

FAUCET Score

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

First published: Jul 14, 2026Last modified: Jul 14, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 2.7.10CPE matchmatch criteria	cpe:2.3:a:microsoft:windows_subsystem_for_linux::::::-::*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

Exploitability Score

1.0

Impact Score

5.2

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.16%

Probability of exploitation in next 30 days

EPSS Percentile

6.0%

Percentile rank of EPSS score among Peer Group

As of 2026-07-25

Model: v2026.06.15

This CVE's current EPSS score of 0.0016 is in the 34th percentile among its peer group of 1,296 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia msrc

Product: Windows Subsystem for Linux (WSL2)Fixed in: 2.7.10

View patch

microsoftvendor investigatingvia nvd_reference

View patch

Vendor Advisories (1)

microsoft2026-Jul/CVE-2026-57973Important

Windows Subsystem for Linux (WSL2) Kernel Tampering Vulnerability

Jul 14, 2026

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2026-57973

Vendor Advisory