High severity · published Aug 11, 2026
CVE-2026-53415
Zoom Clients - Use After Free
8.3
CVSS
0.5%
EPSS
No
On KEV
Description
Use after Free in the annotator function of Zoom Clients may allow a meeting participant to achieve remote code execution of another participant via network access.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% 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-2026-53415
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-53415
www.zoom.com
https://www.zoom.com/en/trust/security-bulletin/zsb-26017
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