CVE-2026-24294

high

Description

Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24294

https://www.infosecurity-magazine.com/news/microsoft-fixes-two-publicly/

https://www.helpnetsecurity.com/2026/03/11/march-2026-patch-tuesday/

https://www.darkreading.com/application-security/microsoft-patches-83-cves-march-update

https://cyberscoop.com/microsoft-patch-tuesday-march-2026/

https://www.vicarius.io/vsociety/posts/cve-2026-24294-mitigation-script-improper-authentication-vulnerability-in-windows-smb-server

https://www.vicarius.io/vsociety/posts/cve-2026-24294-detection-script-improper-authentication-vulnerability-in-windows-smb-server

Details

Source: Mitre, NVD

Published: 2026-03-10

Updated: 2026-03-27

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00055