Cyber Resilience

CVE-2026-11655

HighUpdated

Published: 09 June 2026

Published
09 June 2026
Modified
17 June 2026
KEV Added
Patch
CVSS Score v3.1 8.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0024 15.3th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-11655 is a high-severity External Control of Assumed-Immutable Web Parameter (CWE-472) vulnerability in Google Chrome. Its CVSS base score is 8.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 15.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

Integer overflow in Media in Google Chrome on Mac prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

CWE(s)

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?

Integer overflow enables sandbox escape from compromised renderer, directly mapping to exploitation for privilege escalation.

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

Affected Assets

google
chrome
≤ 149.0.7827.103

Mitigating Controls

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

References