Skip to content
Fencer Intel
high 8.0

CVE-2022-21980 json

Microsoft Exchange Server Elevation of Privilege Vulnerability

published 4y ago modified 4mo ago also EUVD-2022-27135

cvss
8.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

Microsoft Exchange Server Elevation of Privilege Vulnerability

Patch / fix

  • Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 15.00.1497.042
  • Microsoft Microsoft Exchange Server 2019 Cumulative Update 11 15.02.0986.030
  • Microsoft Microsoft Exchange Server 2016 Cumulative Update 22 15.01.2375.032
  • Microsoft Microsoft Exchange Server 2019 Cumulative Update 12 15.02.1118.015
  • Microsoft Microsoft Exchange Server 2016 Cumulative Update 23 15.01.2507.013

Is CVE-2022-21980 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

2.74% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 8.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 8.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Microsoft Exchange Server 2013 Cumulative Update 23
  • Microsoft Microsoft Exchange Server 2019 Cumulative Update 11
  • Microsoft Microsoft Exchange Server 2016 Cumulative Update 22
  • Microsoft Microsoft Exchange Server 2019 Cumulative Update 12
  • Microsoft Microsoft Exchange Server 2016 Cumulative Update 23

Classification

Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.