Cyber Resilience

CVE-2026-8573

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 0.0023 14.2th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-8573 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 14.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A06:2025 Insecure Design

EU & UK References

Vulnerability details

Integer overflow in Codecs in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to potentially perform a sandbox escape via a crafted video file. (Chromium security severity: Medium)

CWE(s)
CWE-472

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?

Integer overflow in Chrome codecs directly enables sandbox escape via crafted video, mapping to exploitation for privilege escalation.

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

CVEs Like This One

CVE-2026-8510Same product: Google Chrome
CVE-2026-9966Same product: Google Chrome
CVE-2026-7973Same product: Google Chrome
CVE-2026-8519Same product: Google Chrome
CVE-2026-9890Same product: Google Chrome
CVE-2026-9937Same product: Google Chrome
CVE-2026-7911Same product: Google Chrome
CVE-2026-7994Same product: Google Chrome
CVE-2026-8542Same product: Google Chrome
CVE-2026-7925Same product: Google Chrome

Affected Assets

google
chrome
≤ 148.0.7778.168

Mitigating Controls

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

References