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CVSS 8.3 · HIGH

CVE-2026-7917

Use after free in Fullscreen in Google Chrome on Windows prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

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Analysis

Google Chrome is the primary browser for most developers and users. This vulnerability allows for a sandbox escape, which is a critical step in a full system compromise. The high CVSS score and the nature of the application make it highly relevant for our community.

Severity

Score: 8.3(HIGH)
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
AV: NETWORK
AC: HIGH
PR: NONE
UI: REQUIRED
S: CHANGED
C: HIGH
I: HIGH
A: HIGH
Weakness (CWE): CWE-416

EPSS

No EPSS score yet (CVE may be too fresh).

Affects

google:chromemicrosoft:windows

Technical description

Use after free in Fullscreen in Google Chrome on Windows prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Published: 5/6/2026, 7:16:39 PM
Last modified: 5/6/2026, 11:39:31 PM

References

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