CVE-2026-5869 Memory corruption in Chrome
A heap buffer overflow in Chrome's WebML allows remote attackers to read sensitive process memory via 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-2026-5869?
CVE-2026-5869 is a medium-severity memory corruption vulnerability in Google Chrome, published on 8 Apr 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 WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)
Weakness: CWE-122
Which versions are affected by CVE-2026-5869?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-5869?
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-2026-5869 being exploited?
There is no known exploitation of CVE-2026-5869 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-5869, GHSA-pvxc-vj6p-fp82, MINI-5x7g-h55r-rpcp.