CVE-2025-59257: Windows Local Session Manager (LSM) Denial of Service Vulnerability
Microsoft · Windows 11 Version 24H2
Vendor fix available · Affected: Microsoft Windows 11 Version 24H2 · Exploitation: possible (1 to 10%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 75% of scored CVEs
DescriptionCVE.org
Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.
Affected products5
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Microsoft · Windows 11 Version 24H2from 10.0.26100.0 before 10.0.26100.6899
- Microsoft · Windows 11 Version 25H2from 10.0.26200.0 before 10.0.26200.6899
- Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)from 10.0.25398.0 before 10.0.25398.1913
- Microsoft · Windows Server 2025from 10.0.26100.0 before 10.0.26100.6899
- Microsoft · Windows Server 2025 (Server Core installation)from 10.0.26100.0 before 10.0.26100.6899
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Possible (1 to 10%). EPSS between 1% and 10%.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Microsoft
- Published
- October 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-59257 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.