Medium severity · published Aug 11, 2026
CVE-2026-53414
Zoom Clients - Buffer Over-read
6.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZC
Zoom Clients · Zoom Communications
see references · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-53414
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-53414
www.zoom.com
https://www.zoom.com/en/trust/security-bulletin/zsb-26016
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