PT-2026-2675 · Microsoft · Windows Hyper-V+1

Andrey Markovytch · Published 2026-01-13 · Updated 2026-01-17 · CVE-2026-20825

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Hyper-V (affected versions not specified)

Description An improper access control issue exists in Windows Hyper-V. This allows a local attacker who is already authorized to disclose information. The issue can lead to the compromise of sensitive information and potentially impact system functionality.

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

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BDU:2026-00538

CVE-2026-20825

Affected Products

Windows

Windows Hyper-V

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-20825 · Security Note
• https://bdu.fstec.ru/vul/2026-00538 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20825 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20825 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-20825 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-20825 · Vendor Advisory
• https://twitter.com/CVEnew/status/2012490416273150455 · Twitter Post