CVE-2026-12031 Security feature bypass in Chrome
A remote attacker with compromised renderer access can escape the Chrome sandbox on Windows via a crafted HTML page, requiring an upgrade to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-12031?
CVE-2026-12031 is a high-severity vulnerability in Google Chrome, published on 11 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Inappropriate implementation in Views in Google Chrome on Windows prior to 149.0.7827.115 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)
Weakness: CWE-693
Which versions are affected by CVE-2026-12031?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-12031?
Upgrade to a fixed version.
Is CVE-2026-12031 being exploited?
There is no known exploitation of CVE-2026-12031 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-12031, ECHO-23ef-871e-3e6e, GHSA-w2mw-j4jj-c949, MINI-8c6r-hhv4-9863.