CVE-2026-53414 Zoom Clients - Buffer Over-read
A missing bounds check in Zoom Clients allows a meeting participant to cause a denial of service on another participant via network access.
- 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
- None listed
What is CVE-2026-53414?
CVE-2026-53414 is a medium-severity memory corruption vulnerability in Zoom Clients, published on 11 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
Missing bounds check in the annotator function of Zoom Clients allows buffer over-read, which may allow a meeting participant to conduct a denial of service on another participant via network access.
Weakness: CWE-126
Which versions are affected by CVE-2026-53414?
How do I fix CVE-2026-53414?
No fix has been published for CVE-2026-53414 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-53414 being exploited?
There is no known exploitation of CVE-2026-53414 in the wild and no public exploit code.
Sources
Also known as GHSA-q9vw-2jgv-5p57.