Relative Path Traversal in Microsoft Windows and Windows Server - CVE-2026-69968

Vulnerability details

The vulnerability allows a remote attacker to modify protected system data without authorization.

The vulnerability exists due to relative path traversal in Windows Libarchive when handling relative paths. A remote attacker can exploit this flaw over a network to modify protected system data without authorization.

User interaction is required for exploitation.

Affected software

How to mitigate CVE-2026-69968

External References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2026-69968
• https://support.microsoft.com/help/5127648

Related Security Bulletins

• Multiple vulnerabilities in Microsoft Windows