Known Exploited Vulnerability

CVE-2014-1812

Microsoft Windows Group Policy Preferences Password Privilege Escalation Vulnerability

Ransomware campaign 25 public exploits Added 03 Nov 2021 Due 03 May 2022 · 1557 days ago
VendorMicrosoft
ProductWindows
WeaknessCWE-255
RansomwareKnown use

What the flaw is

Microsoft Windows Active Directory contains a privilege escalation vulnerability due to the way it distributes passwords that are configured using Group Policy preferences. An authenticated attacker who successfully exploits the vulnerability could decrypt the passwords and use them to elevate privileges on the domain.

Description as published by CISA. We have not independently reproduced it.

What CISA requires

Apply updates per vendor instructions.

This deadline is binding on US federal civilian agencies under BOD 22-01. It is not a legal deadline for anyone else, but it is a useful urgency signal — CISA sets it by how actively the flaw is being used, not by CVSS.

Public exploit code

25 public repositories referencing this CVE have been catalogued on GitHub. Treat this as a strong signal to prioritise patching, not as a verified working exploit — many such repositories are scanners, write-ups or forks rather than functional code.

Showing 8 of 25. Full list in the trickest/cve dataset.

Vendor advisories

Primary sources

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Source: CISA KEV catalog · last verified August 6, 2026. Rebuilt automatically twice a day.