HIGH
CVE-2026-20871
CVSS v3
7.8
HIGH
EPSS Score
4.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Use after free in Desktop Windows Manager allows an authorized attacker to elevate privileges locally.
Technical details
- Published
- 2026-01-13
- Last Modified
- 2026-01-15
Frequently asked questions
What is CVE-2026-20871?
Use after free in Desktop Windows Manager allows an authorized attacker to elevate privileges locally.
Is CVE-2026-20871 actively exploited?
Active exploitation of CVE-2026-20871 has not been confirmed. Its EPSS score was 4.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-20871?
CVE-2026-20871 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2026-20871 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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