Vulnerabilities
Windows CD-ROM Driver Elevation of Privilege Vulnerability (CVE-2026-85377)
Microsoft has acknowledged a Windows CD-ROM driver flaw (CVE-2026-85377) that can be exploited for local privilege escalation. The issue affects systems running Windows 10 and later with the default CD-ROM driver enabled. Defenders should verify patch status, disable the CD-ROM driver if not required, and monitor for an official fix.
What happened
Microsoft has identified a flaw in the Windows CD-ROM driver that permits local privilege escalation. The vulnerability is assigned CVE-2026-85377.
Impact
All Windows 10 and Windows 11 installations that use the built‑in CD-ROM driver are potentially vulnerable. An attacker with local access could gain elevated privileges on the affected system.
What to do
- Confirm whether the CD-ROM driver is installed and enabled on your systems.
- If the CD-ROM drive is not required, disable the driver via Device Manager or group policy.
- Check for an official patch or update from Microsoft; apply it as soon as it becomes available.
- Monitor Microsoft Security Advisories for further details or mitigation guidance.
Additional info
Microsoft has issued an informational update acknowledging the vulnerability; no immediate remediation is available beyond disabling the driver.