CVE-2022-33633
Skype for Business and Lync Remote Code Execution Vulnerability
Skype for Business and Lync Remote Code Execution Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Skype for Business and Lync Remote Code Execution Vulnerability
Skype for Business and Lync Remote Code Execution Vulnerability
- Record
CVE-2022-33633- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2022-36676
Skype for Business and Lync Remote Code Execution Vulnerability
- Record
EUVD-2022-36676- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m4g8-6pfp-59jr
Skype for Business and Lync Remote Code Execution Vulnerability.
Skype for Business and Lync Remote Code Execution Vulnerability.
- Record
GHSA-m4g8-6pfp-59jr- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
Skype for Business and Lync Remote Code Execution Vulnerability
- Record
CVE-2022-33633- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-33633 is a high vulnerability (CVSS 7.2) in Microsoft Skype For Business, published July 12, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.33%, the 83rd percentile. No source names a fixed version.