Important CVSS 5.3 EPSS 0.01387 2022-08 archive

Executive Summary

None

Overview

5.3
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Information Disclosure
Released Aug 9 2022
Last Updated Aug 9 2022
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.01387 — 0.68689 percentile
NVD CVSS 5.3 MEDIUM — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
Low
INTEGRITY
None
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 4.6

EPSS Score

0.01387
probability of exploitation in the next 30 days
0.68689 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

4 affected products
Product KB Article Severity Impact Restart Required
Microsoft Exchange Server 2016 Cumulative Update 22 5015322 (Security Update) Important Information Disclosure Yes
Microsoft Exchange Server 2016 Cumulative Update 23 5015322 (Security Update) Important Information Disclosure Yes
Microsoft Exchange Server 2019 Cumulative Update 11 5015322 (Security Update) Important Information Disclosure Yes
Microsoft Exchange Server 2019 Cumulative Update 12 5015322 (Security Update) Important Information Disclosure Yes

Patches

1 patch
Article Type Restart
5015322 Security Update Yes

Known Exploits

Acknowledgments