Cyber Resilience

CVE-2026-8548

High

Published: 14 May 2026

Published
14 May 2026
Modified
19 May 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 0.0021 10.9th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-8548 is a high-severity Out-of-bounds Write (CWE-787) 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 10.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Out of bounds write in Media in Google Chrome prior to 148.0.7778.168 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?

Out-of-bounds write enabling sandbox escape from already-compromised renderer process directly matches exploitation for privilege escalation.

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

CVEs Like This One

CVE-2026-9906Same product: Google Chrome
CVE-2026-9916Same product: Google Chrome
CVE-2026-9900Same product: Google Chrome
CVE-2026-8533Same product: Google Chrome
CVE-2026-9895Same product: Google Chrome
CVE-2026-9893Same product: Google Chrome
CVE-2026-9894Same product: Google Chrome
CVE-2026-9914Same product: Google Chrome
CVE-2026-8575Same product: Google Chrome
CVE-2026-8557Same product: Google Chrome

Affected Assets

google
chrome
≤ 148.0.7778.168

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References