CVE-2026-17948 Memory corruption in Chrome
An attacker can execute arbitrary code inside the sandbox by tricking a user into installing a malicious Chrome extension exploiting a V8 type confusion flaw.
- 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-2026-17948?
CVE-2026-17948 is a high-severity memory corruption vulnerability in Google Chrome, published on 30 Jul 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
Type Confusion in V8 in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Low)
Weakness: CWE-843
Which versions are affected by CVE-2026-17948?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-17948?
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-2026-17948 being exploited?
There is no known exploitation of CVE-2026-17948 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-17948, ECHO-0245-1475-7ef2, GHSA-c2p8-6273-hp5x, MINI-7x67-36gf-r3g7.