CVE-2026-9947 Use after free in Chrome
Remote attackers can execute arbitrary code inside the sandbox via a crafted HTML page due to a use-after-free flaw in Chrome's XML handling.
- 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-2026-9947?
CVE-2026-9947 is a high-severity use after free vulnerability in Google Chrome, published on 28 May 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
Use after free in XML in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Weakness: CWE-416
Which versions are affected by CVE-2026-9947?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-9947?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-9947 being exploited?
There is no known exploitation of CVE-2026-9947 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-9947, ECHO-4212-3892-d1c7, GHSA-xwqp-vx4g-wqcc, MINI-xpqx-43hw-c7h8.