PT-2026-40209 · Unknown+1 · Volume Manager Extension Driver+1

Published 2026-05-12 · Updated 2026-05-12 · CVE-2026-40380

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:L/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Volume Manager Extension Driver (affected versions not specified)

Description A heap-based buffer overflow in the Volume Manager Extension Driver allows an authorized attacker to execute arbitrary code. This issue can be triggered via a physical attack or remotely, potentially affecting the entire system. A heap-based buffer overflow occurs when a program writes more data to a heap-allocated memory block than it can hold, leading to memory corruption.

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

RCE

Out of bounds Read

Heap Based Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-125

CWE-122

CWE-121

CWE-197

Related Identifiers

BDU:2026-07123

CVE-2026-40380

Affected Products

Volume Manager Extension Driver

Windows

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-40380 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40380 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-07123 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-40380 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-40380 · Vendor Advisory