CVE-2026-1861 Memory corruption in Chrome
A remote attacker can potentially execute arbitrary code via heap corruption in libvpx by tricking a user into visiting a crafted HTML page.
- 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-2026-1861?
CVE-2026-1861 is a high-severity memory corruption vulnerability in Google Chrome, published on 3 Feb 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
Heap buffer overflow in libvpx in Google Chrome prior to 144.0.7559.132 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
Which versions are affected by CVE-2026-1861?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-1861?
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-2026-1861 being exploited?
There is no known exploitation of CVE-2026-1861 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-1861, GHSA-9jqj-4cr8-rr2f, MINI-hhcf-jc6w-gvjg.