CVE-2026-69573 Windows Universal Disk Format File System Driver - Use After Free

Windows Universal Disk Format File System Driver contains a use after free vulnerability, letting authorized local attackers elevate privileges by exploiting memory corruption.

CVSS base score 7.0 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.26% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
8 September 2026
Updated
15 October 2026
Weakness
CWE-416

Vendor fix

Update to the latest Windows version with security patches.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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