PT-2025-42134 · Microsoft · Windows

Published 2025-10-14 · Updated 2025-10-20 · CVE-2025-59257

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

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

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

Description An issue exists in Windows Local Session Manager (LSM) where improper validation of input can allow an authorized attacker to cause a denial of service over a network.

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

DoS

Weakness Enumeration

CWE-1287

Related Identifiers

BDU:2025-13085

CVE-2025-59257

Affected Products

Windows

References · 8

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59257 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-59257 · Security Note
• https://bdu.fstec.ru/vul/2025-13085 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-59257 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-59257 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-59257 · Vendor Advisory
• https://twitter.com/CVEnew/status/1978198237098975588 · Twitter Post
• https://t.me/cveNotify/139509 · Telegram Post