What is CVE-2022-34692?

CVE-2022-34692 is a medium-severity vulnerability in Microsoft Exchange Server, classified under Information Disclosure. CVSS score: 5.3/10. Published 2022-08-09.

How severe is CVE-2022-34692?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Microsoft Exchange Server

CVE-2022-34692

Microsoft Exchange Server Information Disclosure Vulnerability

Vulnerability class: Information Disclosure

Published 2022-08-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.017 (76.6th percentile), scored 2026-10-05.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: +0.000

Affected products

Microsoft Exchange Server — versions 2016, 2019
Microsoft Exchange Server 2016 Cumulative Update 22 — versions 15.0.0
Microsoft Exchange Server 2016 Cumulative Update 23 — versions 15.01.0
Microsoft Exchange Server 2019 Cumulative Update 11 — versions 15.02.0
Microsoft Exchange Server 2019 Cumulative Update 12 — versions 15.02.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2022-34692 (vendor-advisory)

Frequently asked questions

What is CVE-2022-34692?: CVE-2022-34692 is a medium-severity vulnerability in Microsoft Exchange Server, classified under Information Disclosure. CVSS score: 5.3/10. Published 2022-08-09.
How severe is CVE-2022-34692?: Medium severity. CVSS v3 base score is 5.3 out of 10.