High severity · published Jul 16, 2026
CVE-2026-53410
Zoom Clients for Windows - Race Condition
7.0
CVSS
0.1%
EPSS
No
On KEV
Description
A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certain Zoom Clients for Windows could allow an authenticated local user to escalate privileges.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% 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
RC
Remote Control For Zoom Contact Center · Zoom
before 7.0.0 · source: NVD
RO
Rooms · Zoom
before 7.0.5 · source: NVD
WD
Workplace Desktop · Zoom
before 7.0.5 · source: NVD
WV
Workplace Virtual Desktop Infrastructure · Zoom
before 6.5.17; 6.6.0 before 6.6.14 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-53410
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-53410
Vendor Advisory
https://www.zoom.com/en/trust/security-bulletin/zsb-26012
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