Use After Free Vulnerability in Windows LDAP by Microsoft
CVE-2025-26670

8.1HIGH

Key Information:

Vendor
Microsoft
Status
Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (server Core Installation)
Windows Server 2022
Vendor
CVE Published:
8 April 2025

Summary

A use after free vulnerability in Windows Lightweight Directory Access Protocol (LDAP) can allow unauthorized attackers to execute arbitrary code remotely. This security breach is facilitated by improper handling of memory, leading to potential exploitation by malicious actors over a network. Administrators are urged to apply the latest patches to mitigate risks associated with this vulnerability.

Affected Version(s)

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.20978

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.7970

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.7137

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.