Cyber Resilience

CVE-2026-46198

HighUpdated

Published: 28 May 2026

Published
28 May 2026
Modified
10 June 2026
KEV Added
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Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0028 20.0th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-46198 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Linux Linux Kernel. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 20.0th 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: batman-adv: fix integer overflow on buff_pos Fixing an integer overflow present in batadv_iv_ogm_send_to_if. The size check is done using the int type in batadv_iv_ogm_aggr_packet whereas the buff_pos variable uses the…

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s16 type. This could lead to an out-of-bound read.

CWE(s)
CWE-190

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.
attack.mitre.org →
Why these techniques?

Kernel integer overflow enabling OOB read directly supports local privilege escalation via exploitation.

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

Affected Assets

linux
linux kernel
7.1 · 2.6.38 — 5.10.258 · 5.11 — 5.15.209 · 5.16 — 6.1.175

Mitigating Controls

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

References