High [CVE-2021-33768] Microsoft Exchange Server Elevation of Privilege Vulnerability
This high-severity Microsoft Server advisory covers CVE-2021-33768 affecting Microsoft Exchange Server 2016 Cumulative Update 20, Microsoft Exchange Server 2016 Cumulative Update 21, Microsoft Exchange Server 2019 Cumulative Update 10.
Android app · Google Play
Monitor future Microsoft Server CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Summary
Microsoft Exchange Server Elevation of Privilege Vulnerability
Affected products named by the advisory: Microsoft Exchange Server 2016 Cumulative Update 20; Microsoft Exchange Server 2016 Cumulative Update 21; Microsoft Exchange Server 2019 Cumulative Update 10; Microsoft Exchange Server 2019 Cumulative Update 9.
- Microsoft Exchange Server 2016 Cumulative Update 20 15.01.0 before 15.01.2242.012
- Microsoft Exchange Server 2016 Cumulative Update 21 15.01.0 before 15.01.2308.014
- Microsoft Exchange Server 2019 Cumulative Update 10 15.02.0 before 15.02.0922.013
- Microsoft Exchange Server 2019 Cumulative Update 9 15.02.0 before 15.02.0858.015
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- 15.01.2242.012
- 15.01.2308.014
- 15.02.0922.013
- 15.02.0858.015
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 15.01.2242.012, 15.01.2308.014, 15.02.0922.013, 15.02.0858.015. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.