Cyber Resilience

CVE-2026-7973

High

Published: 06 May 2026

Published
06 May 2026
Modified
06 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 0.0022 13.0th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-7973 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 Exploitation for Privilege Escalation (T1068); ranked at the 13.0th 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 Dawn in Google Chrome on Windows prior to 148.0.7778.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (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 →
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 →
Why these techniques?

Integer overflow in Chrome renderer (Dawn) directly enables sandbox escape (T1068) via malicious web content (T1189).

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

CVEs Like This One

CVE-2026-8510Same product: Google Chrome
CVE-2026-8573Same product: Google Chrome
CVE-2026-9966Same product: Google Chrome
CVE-2026-8519Same product: Google Chrome
CVE-2026-4452Same product: Google Chrome
CVE-2026-9959Same 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

Affected Assets

google
chrome
≤ 148.0.7778.96

Mitigating Controls

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

References