Cyber Resilience

CVE-2026-53268

High

Published: 25 June 2026

Published
25 June 2026
Modified
30 June 2026
KEV Added
Patch
CVSS Score v3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
EPSS Score 0.0036 28.4th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-53268 is a high-severity an unspecified weakness vulnerability in Kernel (inferred from references). Its CVSS base score is 8.2 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 28.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack_irc: fix possible out-of-bounds read When parsing fails after we've matched the command string we should bail out instead of trying to match a different command. This helper should…

more

be deprecated, given prevalence of TLS I doubt it has any relevance in 2026.

CWE(s)
None listed

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
Why these techniques?

Kernel OOB read in network conntrack path enables local/remote privilege escalation via crafted packets.

Confidence: MEDIUM · MITRE ATT&CK Enterprise v19.0

Affected Assets

Kernel
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References