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Fencer Vulns
low 3.3

CVE-2022-28766 json

DLL injection in Zoom Windows Clients

published 2022-11-17 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-33205

cvss
3.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

Windows 32-bit versions of the Zoom Client for Meetings before 5.12.6 and Zoom Rooms for Conference Room before version 5.12.6 are susceptible to a DLL injection vulnerability. A local low-privileged user could exploit this vulnerability to run arbitrary code in the context of the Zoom client.

Patch / fix

  • Zoom Video Communications Inc Zoom Client for Meetings for Windows (32-bit) 5.12.6
  • Zoom Video Communications Inc Zoom VDI Windows Meeting Client for Windows (32-bit) 5.12.6
  • Zoom Video Communications Inc Zoom Rooms for Conference Room for Windows (32-bit) 5.12.6

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Zoom Video Communications Inc Zoom Client for Meetings for Windows (32-bit)
  • Zoom Video Communications Inc Zoom VDI Windows Meeting Client for Windows (32-bit)
  • Zoom Video Communications Inc Zoom Rooms for Conference Room for Windows (32-bit)

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code
  • CWE-427 Uncontrolled Search Path Element

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.