CVE-2026-21371

high-risk
Published 2026-04-06

Memory Corruption when retrieving output buffer with insufficient size validation.

Do I need to act?

-
0.01% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Vendors

50
/ 100
high-risk
Severity 24/34 · High
Exploitability 0/34 · Minimal
Exposure 26/34 · High