HIGH
CVE-2026-85921
CVSS v3
8.2
HIGH
EPSS Score
0.4 %
exploit probability, as of 2026-09-28
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Double free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
Technical details
- Published
- 2026-09-14
- Last Modified
- 2026-09-15
Frequently asked questions
What is CVE-2026-85921?
Double free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
Is CVE-2026-85921 actively exploited?
Active exploitation of CVE-2026-85921 has not been confirmed. Its EPSS score was 0.4% on 2026-09-28, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-85921?
CVE-2026-85921 has a CVSS v3 base score of 8.2 (HIGH severity).
Is CVE-2026-85921 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
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