PT-2025-32820 · Microsoft · Windows Hyper-V+1

Do Manh Dung + 1 · Published 2025-08-12 · Updated 2025-08-18 · CVE-2025-53155

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 Hyper-V (affected versions not specified)

Description: A heap-based buffer overflow exists in Windows Hyper-V. This issue allows an authorized attacker to elevate privileges locally.

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

LPE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2025-10137

CVE-2025-53155

ZDI-25-840

Affected Products

Windows

Windows Hyper-V

References · 10

• https://zerodayinitiative.com/advisories/ZDI-25-840 · Security Note
• https://bdu.fstec.ru/vul/2025-10137 · Security Note
• https://osv.dev/vulnerability/CVE-2025-53155 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-53155 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53155 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-53155 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-53155 · Security Note
• https://twitter.com/TheZDIBugs/status/1956023183766589900 · Twitter Post
• https://twitter.com/CVEnew/status/1955322653419442628 · Twitter Post
• https://t.me/cveNotify/132689 · Telegram Post