Cyber Resilience

CVE-2026-13798

Critical

Published: 30 June 2026

Published
30 June 2026
Modified
02 July 2026
KEV Added
Patch
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 0.0034 26.2th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-13798 is a critical-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Google Chrome. Its CVSS base score is 9.6 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 26.2th 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 Chromecast in Google Chrome prior to 150.0.7871.47 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 from compromised renderer, directly facilitating privilege escalation via crafted HTML.

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

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CVE-2026-7339Same product: Apple Macos
CVE-2026-4463Same product: Apple Macos
CVE-2025-8879Same product: Apple Macos

Affected Assets

google
chrome
≤ 150.0.7871.46

Mitigating Controls

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

References