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TI-2020-14767 Aliases CVE-2020-24003GHSA-99cq-hqh8-c6pp

Microsoft Skype through 8.59.0.77 on macOS has the disable-library-validation…

Priority LOW 18Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Microsoft Skype through 8.59.0.77 on macOS has the disable-library-validation entitlement, which allows a local process (with the user's privileges) to obtain unprompted microphone and camera access by loading a crafted library and thereby inheriting Skype Client's microphone and camera access.

Why it matters now

EPSS 0.01184 67th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:skype:*:*:*:*:*:macos:*:*up to 8.59.0.77VulnerableMicrosoft
  • cpe:2.3:a:microsoft:skype:*:*:*:*:*:macos:*:* Versions up to 8.59.0.77 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-24003
  2. 2026-10-03 Alias added: GHSA-99cq-hqh8-c6pp

References

Exploit 1

  • TI-2017-04301 Microsoft Skype 7.16.0.102 contains a vulnerability that could allow an unauthenticated… CVSS 3.0CRITICAL 9.8
  • TI-2017-07315 A stack buffer overflow vulnerability has been discovered in Microsoft Skype 7.2, 7.35… CVSS 3.0HIGH 8.8
  • TI-2018-00552 Untrusted search path in Microsoft The installer of Skype for Windows CVSS 3.0HIGH 7.8
  • TI-2018-00551 Untrusted search path in Microsoft Skype for Windows CVSS 3.0HIGH 7.8
  • TI-2016-04964 Multiple untrusted search path vulnerabilities in Microsoft Skype allow local users to… CVSS 3.0HIGH 7.8
  • TI-2019-00681 An information disclosure vulnerability exists in Skype for Android, aka 'Skype for… CVSS 3.0MEDIUM 5.9
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences