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Vulnerabilities

Vulnerability · CVE-2026-66641

Contributor Cross Site Scripting (XSS) in Video Conferencing with Zoom <= 4.6.8 versions.

Published Aug 18, 2026 · catalog updated Oct 22, 2026 · Contributor Cross Site Scripting

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-66641. EPSS is 0.22%. Act only if a listed version of Contributor Cross Site Scripting is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Contributor Cross Site Scripting).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.22%
Remediation
Version ranges on file
Affected products
stated named in the record

Contributor Cross Site Scripting (XSS) in Video Conferencing with Zoom <= 4.6.8 versions.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated named in the record<= 4.6.8

How to fix CVE-2026-66641

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-66641. EPSS is 0.22%. Act only if a listed version of Contributor Cross Site Scripting is installed.

Which versions are affected?

Compare what you have installed with named in the record <= 4.6.8. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.22%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 18, 2026 · NIST NVD

    Detected

    Contributor Cross Site Scripting (XSS) in Video Conferencing with Zoom <= 4.6.8 versions.

  2. Oct 22, 2026 · NIST NVD

    Updated

    Contributor Cross Site Scripting (XSS) in Video Conferencing with Zoom <= 4.6.8 versions.

Sources

  • CVE.orgVulnerability recordCVE-2026-66641

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-66641

    30-day exploitation probability 0.22%

    first.org
  • NIST NVDVulnerability recordCVE-2026-66641

    Contributor Cross Site Scripting (XSS) in Video Conferencing with Zoom <= 4.6.8 versions.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 23, 2026
  • FIRST EPSSOct 23, 2026
  • NIST NVDOct 23, 2026