CVE-2026-78935 Memory corruption in Chrome
A remote attacker can execute arbitrary code outside the sandbox on iOS via a crafted HTML page due to an uninitialized variable in Chrome.
- 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-2026-78935?
CVE-2026-78935 is a critical memory corruption vulnerability in Google Chrome, published on 25 Aug 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 of uninitialized variable in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
Weakness: CWE-457
Which versions are affected by CVE-2026-78935?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-78935?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-78935 being exploited?
There is no known exploitation of CVE-2026-78935 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-78935, ECHO-21a3-15e9-f4d7, GHSA-hhcc-xj56-gmqc, MINI-xgxr-x5rx-6vxx.