Cyber Resilience

CVE-2026-9911

MediumUpdated

Published: 28 May 2026

Published
28 May 2026
Modified
17 June 2026
KEV Added
—
Patch
—
CVSS Score v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS Score 0.0021 11.1th percentile
Risk Priority 35 floored blend · peak EPSS

Summary

CVE-2026-9911 is a medium-severity External Control of Assumed-Immutable Web Parameter (CWE-472) vulnerability in Google Chrome. Its CVSS base score is 4.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Drive-by Compromise (T1189); ranked at the 11.1th 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 ANGLE in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: High)

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?

Browser vulnerability triggered by crafted HTML page directly enables drive-by compromise and client-side exploitation.

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

CVEs Like This One

CVE-2026-8532Same product: Google Chrome
CVE-2025-7656Same product: Google Chrome
CVE-2026-2649Same product: Google Chrome
CVE-2026-8577Same product: Google Chrome
CVE-2025-0436Same product: Google Chrome
CVE-2026-9923Same product: Google Chrome
CVE-2025-0611Same product: Google Chrome
CVE-2026-6360Same product: Google Chrome
CVE-2025-2137Same product: Google Chrome
CVE-2025-2135Same 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