CVE-2026-7966

low

Published 2026-05-06 · Modified 2026-05-07

CVSS v3

3.1

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS v2

—

VIR risk

3.1

Description

Insufficient validation of untrusted input in SiteIsolation in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

Predictions

Exploit likelihood

42%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-7966

vendor Authored 2026-05-27

Vendor advisory: chrome-cve-admin@google.com — https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`148.0.7778.96-1~deb12u1`
debian	bullseye	affected
debian	forky	fixed	`148.0.7778.96-1`
debian	sid	fixed	`148.0.7778.96-1`
debian	trixie	fixed	`148.0.7778.96-1~deb13u1`
linux-kernel	-	not-affected
macos	-	not-affected

Application impact

Vendor	Product	Versions	Fixed
google	chrome	`{"endExcluding":"148.0.7778.96"}`	`148.0.7778.96`

References

CWEs

CWE-20

Verify integrity in audit chain (admin only). AS-IS.