Skip to main content
CVE-2026-112910VulnerabilityPublished

Microsoft · filelock: WindowsFileLock ignores mode: a 0o600 lock file and the ReadWriteLock database inherit the directory ACL

Affects MicrosoftSource GCVE Database

0
Compare
Authoritative record:CVE-2026-112910· Medium 5.3

Not known to be exploited · CVSS 5.3 Medium : upgrade to 4.2.1 when convenient.

Data as of 7 Nov 2026, 12:18 UTC

CVSS 3.1 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (GitHub_M)CVSS 3.15.3
Patch
Available – fixed in 4.2.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 7 Nov 2026.

What to do

Upgrade filelock to 4.2.1.

Affected software

ProductAffectedFixed in
tox-devfilelockAffected
  • >=3.10.0 <4.2.1
Fixed in
  • 4.2.1

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

Community reviews

Loading reviews…