Home/CVE/Skype for Business and Lync Remote Code Execution Vulnerability
CVE

CVE-2021-26422

Skype for Business and Lync Remote Code Execution Vulnerability

Skype for Business and Lync Remote Code Execution Vulnerability.

HIGH · CVSS 7.2 EPSS 0.04366
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  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

2
microsoft lync serverall versions
microsoft skype for business serverall versions
▣

Scoring & Timeline

7.2
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 May 2021 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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Vendor Advisories

1
msrcCVE-2021-26422Remote Code Execution
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26422PatchVendor Advisory
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