PT-2026-32757 · Microsoft · Windows Kernel+1

Jason Lin · CVE-2026-26180 · Published 2026-04-14 · Updated 2026-04-17

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 Windows Kernel (affected versions not specified)

Description A heap-based buffer overflow in the Windows Kernel allows an authorized attacker to elevate privileges locally, which can affect the system.

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

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2026-05443

CVE-2026-26180

Affected Products

Windows

Windows Kernel

References · 6

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26180 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-26180 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-05443 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-26180 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-26180 · Security Note
• https://twitter.com/CVEnew/status/2045112985740513377 · Twitter Post