Cyber Resilience

CVE-2026-8577

High

Published: 14 May 2026

Published
14 May 2026
Modified
19 May 2026
KEV Added
—
Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0025 16.5th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-8577 is a high-severity External Control of Assumed-Immutable Web Parameter (CWE-472) vulnerability in Google Chrome. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Drive-by Compromise (T1189); ranked at the 16.5th 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 Fonts in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)

CWE(s)
CWE-472

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1189 Drive-by Compromise Initial Access
Adversaries may gain access to a system through a user visiting a website over the normal course of browsing.
attack.mitre.org →
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
Why these techniques?

Integer overflow RCE via crafted HTML page directly enables drive-by compromise and client-side exploitation in browser.

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

CVEs Like This One

CVE-2026-9911Same product: Google Chrome
CVE-2026-8532Same product: Google Chrome
CVE-2026-2649Same product: Google Chrome
CVE-2025-0436Same product: Google Chrome
CVE-2025-1914Same product: Google Chrome
CVE-2026-6363Same product: Google Chrome
CVE-2025-0999Same product: Google Chrome
CVE-2026-2650Same product: Google Chrome
CVE-2026-6359Same product: Google Chrome
CVE-2025-0437Same 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