UNKNOWNUnknown

CVE-2026-12043 - Heap double-free in AWS Common Runtime aws-c-http

CVE-2026-12043Published 1 month agoSource: Vendor feed

Affected packages

No package-level mapping for this advisory.

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
0.35%
EPSS percentile
27.8%

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 28%.

Recommended response stack

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CVE-2026-12043 - Heap double-free in AWS Common Runtime aws-c-http | HackTribune