Cyber Resilience

CVE-2026-9924

HighUpdated

Published: 28 May 2026

Published
28 May 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 0.0025 15.7th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-9924 is a high-severity Heap-based Buffer Overflow (CWE-122) 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 15.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Heap buffer overflow in ANGLE in Google Chrome on Windows prior to 148.0.7778.216 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?

Heap buffer overflow enables sandbox escape after renderer compromise, directly mapping to exploitation for privilege escalation.

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

CVEs Like This One

CVE-2025-3619Same product: Google Chrome
CVE-2026-8531Same product: Google Chrome
CVE-2026-12466Same product: Google Chrome
CVE-2026-7900Same product: Google Chrome
CVE-2026-10949Same product: Google Chrome
CVE-2026-9926Same product: Google Chrome
CVE-2026-9915Same product: Google Chrome
CVE-2026-10929Same product: Google Chrome
CVE-2026-6296Same product: Google Chrome
CVE-2026-7353Same product: Google Chrome

Affected Assets

google
chrome
≤ 148.0.7778.216

Mitigating Controls

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

References