Medium severity · published Aug 12, 2025
CVE-2025-49456
Zoom Clients for Windows- Race Condition
5.1
CVSS
0.1%
EPSS
No
On KEV
Description
Race condition in the installer for certain Zoom Clients for Windows may allow an unauthenticated user to impact application integrity via local access.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
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 for Windows · Zoom Communications Inc
see references · source: vendor
MS
Meeting Software Development Kit · Zoom
before 6.4.10 · source: NVD
RO
Rooms · Zoom
before 6.4.5 · source: NVD
RC
Rooms Controller · Zoom
before 6.4.5 · source: NVD
WD
Workplace Desktop · Zoom
before 6.4.10 · source: NVD
WV
Workplace Virtual Desktop Infrastructure · Zoom
before 6.2.15; 6.3.10 before 6.3.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-49456
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-49456
Vendor Advisory
https://www.zoom.com/en/trust/security-bulletin/zsb-25029
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