PT-2026-30642 · Microsoft · Windows

Published 2026-01-05 · Updated 2026-04-06 · CVE-2026-21372

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 versions (affected versions not specified)

Description Memory corruption can occur when sending IOCTL requests with invalid buffer sizes during memcpy operations.

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:2026-05031

CVE-2026-21372

Affected Products

Windows

References · 4

• https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-05031 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-21372 · Security Note
• https://twitter.com/CVEnew/status/2041224002052456497 · Twitter Post