Cyber Resilience

CVE-2026-13903

High

Published: 30 June 2026

Published
30 June 2026
Modified
02 July 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 0.0034 26.5th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-13903 is a high-severity Client-Side Enforcement of Server-Side Security (CWE-602) vulnerability in Google Chrome. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 26.5th 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

Insufficient policy enforcement in Bluetooth in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to perform privilege escalation via a crafted HTML page. (Chromium security severity: Medium)

CWE(s)
CWE-602

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?

CVE directly describes privilege escalation via crafted HTML exploiting Bluetooth policy enforcement flaw in browser.

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

CVEs Like This One

CVE-2026-14036Same product: Google Chrome
CVE-2026-13901Same product: Google Chrome
CVE-2026-14041Same product: Google Chrome
CVE-2026-14109Same product: Google Chrome
CVE-2026-11120Same product: Google Chrome
CVE-2026-8575Same product: Google Chrome
CVE-2025-0447Same product: Google Chrome
CVE-2026-11088Same product: Google Chrome
CVE-2026-13934Same product: Google Chrome
CVE-2026-14056Same product: Google Chrome

Affected Assets

google
chrome
≤ 150.0.7871.47

Mitigating Controls

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

References