PT-2026-32774 · Microsoft · Windows Kerberos+1

Shai Laron · Published 2026-04-14 · Updated 2026-04-15 · CVE-2026-27912

Positive Technologies (AI Summary)

CVSS v3.1

8.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Kerberos (affected versions not specified)

Description Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authorization

Weakness Enumeration

CWE-285

Related Identifiers

BDU:2026-05324

CVE-2026-27912

Affected Products

Windows

Windows Kerberos

References · 6

• https://bdu.fstec.ru/vul/2026-05324 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-27912 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27912 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-27912 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-27912 · Security Note
• https://twitter.com/CVEnew/status/2044358607337070663 · Twitter Post