CVE-2026-53414
Zoom Clients - Buffer Over-read
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Zoom Clients - Buffer Over-read
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.
- Record
CVE-2026-53414- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-126
- Updated
- 2026-11-02
EUVDEUVD-2026-56244
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.
- Record
EUVD-2026-56244- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q9vw-2jgv-5p57
Missing bounds check in the annotator function of Zoom Clients allows buffer over-read, which may...
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.
- Record
GHSA-q9vw-2jgv-5p57- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-126
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-53414- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-126
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-53414 is a medium vulnerability (CVSS 6.5) in Zoom Communications Clients, published August 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. No source names a fixed version.