CVE-2022-21969
Microsoft Exchange Server Remote Code Execution Vulnerability
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
Microsoft Exchange Server Remote Code Execution Vulnerability
Timeline
ID reserved
By microsoft
- 26 days later
· 26 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoftCNA (assigner) | 3.1 | Critical9.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C |
| NVDNVD · Modified | 3.1 | Critical9.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.1% · top 33% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.0.
Weakness
- Remote Code Execution
Affected products
Microsoft · Microsoft Exchange Server 2013 Cumulative Update 23
- affected 15.00.0 – < 15.00.1497.028
Microsoft · Microsoft Exchange Server 2016 Cumulative Update 21
- affected 15.01.0 – < 15.01.2308.021
Microsoft · Microsoft Exchange Server 2019 Cumulative Update 10
- affected 15.02.0 – < 15.02.0922.020
Microsoft · Microsoft Exchange Server 2016 Cumulative Update 22
- affected 15.0.0 – < 15.01.2375.018
Microsoft · Microsoft Exchange Server 2019 Cumulative Update 11
- affected 15.02.0 – < 15.02.0986.015
References (2)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-21969)Record last updated .