Cyber Resilience

CVE-2026-6068

CriticalPublic PoC

Published: 10 April 2026

Published
10 April 2026
Modified
26 May 2026
KEV Added
—
Patch
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CVSS Score v3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0041 33.0th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-6068 is a critical-severity Use After Free (CWE-416) vulnerability in Nasm Netwide Assembler. Its CVSS base score is 9.6 (Critical).

Operationally, ranked at the 33.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

NASM contains a heap use after free vulnerability in response file (-@) processing where a dangling pointer to freed memory is stored in the global depend_file and later dereferenced, as the response-file buffer is freed before the pointer is used,…

more

allowing for data corruption or remote code execution.

CWE(s)
CWE-416

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

Insufficient information to map techniques.
Confidence: LOW · MITRE ATT&CK Enterprise v19.0

Affected Assets

nasm
netwide assembler
3.02

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References