PT-2025-28564 · Microsoft · Windows Kernel+1

Published 2025-07-08 · Updated 2025-07-08 · CVE-2025-49666

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Windows Kernel (affected versions not specified)

Description: A heap-based buffer overflow issue in the Windows Kernel allows an authorized attacker to execute code over a network.

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

RCE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2025-08458

CVE-2025-49666

Affected Products

Windows

Windows Kernel

References · 7

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49666 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-49666 · Security Note
• https://osv.dev/vulnerability/CVE-2025-49666 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-49666 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-49666 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-08458 · Security Note
• https://twitter.com/CVEnew/status/1942633714766274670 · Twitter Post