CVE-2026-118131: GnuPG (version 2.5.21) for Windows contains a vulnerability where default Discretionary Access Control List (D

Routine

HIGH n/a

CVE-2026-118131 is a high-severity flaw (CVSS n/a) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

GnuPG (version 2.5.21) for Windows contains a vulnerability where default Discretionary Access Control List (DACL) inheritance on the C:\ProgramData directory allows members of the BUILTIN\Users group to create arbitrary subdirectories under this path. An attacker with low-privilege access can create the expected GnuPG configuration directory and inject malicious configuration files consumed by GnuPG components. This can result in code execution

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	n/a (High)
EPSS exploit chance	n/a
CISA exploited list	No
Published	2026-10-27
Last modified	2026-10-27

Publisher (CNA): CERT/CC

Last updated 2026-10-27 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-10-27 18:17 UTCPublished CVE record published
2026-10-27 18:17 UTCUpdated Record last modified

Advisories and coverage

Research and news

Vulners Bulletins: CVE-2026-118131 CVE-2026-118131 2026-10-27
Vulners Bulletins: CVE-2026-118131 CVE-2026-118131 2026-10-27

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-118131?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-118131 being exploited?

CVE-2026-118131 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-118131 affect?

CVE-2026-118131 affects affected software. Severity is high (CVSS n/a). GnuPG (version 2.5.21) for Windows contains a vulnerability where default Discretionary Access Control List (DACL) inheritance on the C:\ProgramData directory allows members of the BUILTIN\Users group to create arbitrary subdirectories unde

How urgent is CVE-2026-118131?

Priority 0/100. No elevated risk signals yet.

Software pages

Windows vulnerabilities · GnuPG vulnerabilities

References

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