Reference material — not professional advice. Test in staging, back up first, verify against your specific version. Use your own judgment for your environment.
● High · CVSS 7.5

How to Fix CVE-2026-7343: Chrome (Bundle Sibling)

By Sai Kiran Pandrala

Last verified: 2026-05-25

CVE-2026-7343 is a sibling vulnerability in the same vendor advisory as CVE-2026-7333. Applying the patched build named in the primary write-up closes this CVE as well.

⚡ At a glance
SeverityCVSS 7.5 - High
Actively exploited?Not currently in CISA KEV
AffectedSame as the bundle - see CVE-2026-7333
Fixed inSame patched build as CVE-2026-7333 (See vendor advisory)
Type (CWE)CWE-416: Use after free

What's different about CVE-2026-7343?

Use after free in Views in Google Chrome on Windows prior to 147.0.7727.138 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

The technical impact and remediation are identical to the primary CVE in the bundle. The same vendor patch closes both.

How to fix CVE-2026-7343

Apply the patched build per the primary write-up: How to Fix CVE-2026-7333.

The patch installation procedure, verification commands, and interim mitigations are documented there. Reusing one runbook keeps the rollout consistent across the bundle.

Frequently asked questions

Is CVE-2026-7343 fixed by the same patch as CVE-2026-7333?

Yes. CVE-2026-7343 ships in the same vendor advisory as CVE-2026-7333. Applying the patched build named in the primary write-up closes both.

What is the CVSS score for CVE-2026-7343?

The CVSS base score is 7.5 (High).

Is it being exploited?

It is not currently listed in CISA KEV.

References


*Part of the Chrome bundle. Full procedure at CVE-2026-7333.*