PT-2026-32756 · Microsoft · Windows

Fastfail · Published 2026-04-14 · Updated 2026-06-14 · CVE-2026-26179

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description A double free issue in the Windows Secure Kernel allows an authorized attacker to elevate privileges locally, enabling a low-privilege user to gain administrative access to the system.

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

DoS

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

BDU:2026-05495

CVE-2026-26179

ZDI-26-276

Affected Products

Windows

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2026-26179 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26179 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-26-276 · Security Note
• https://bdu.fstec.ru/vul/2026-05495 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-26179 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-26179 · Security Note
• https://twitter.com/CVEnew/status/2045112986671694312 · Twitter Post
• https://twitter.com/TangoZuloVictor/status/2066138492623868136 · Twitter Post
• https://twitter.com/ptdbugs/status/2063182262292594976 · Twitter Post
• https://twitter.com/windowsforum/status/2044116784064741676 · Twitter Post