PT-2026-58171 · Microsoft · Lsass

Published 2026-07-14 · Updated 2026-07-14 · CVE-2026-49799

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Windows Local Security Authority Subsystem Service (LSASS) (affected versions not specified)

Description Uncontrolled resource consumption in the Local Security Authority Subsystem Service (LSASS) allows 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

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2026-49799

Affected Products

Lsass

References · 4

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-49799 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-49799 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49799 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-49799 · Security Note