7.2

CVE-2022-33633: microsoft lync_server

CVSS: 7.2v3.1HighModified
Published 12-07-2022Last modified 08-07-2025
Open JSON

Vulnerability summary

CVE-2022-33633 is a high (CVSS 7.2) vulnerability in microsoft lync_server. EPSS estimates a 2.33% chance of exploitation in the next 30 days, higher than 83.3% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v3.1 (CVE.org)
EPSS score
2.33%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-07-2022
    PublishedVulnerability first disclosed.
  2. 08-07-2025
    Last modifiedVulnerability information updated.

Description

Skype for Business and Lync Remote Code Execution Vulnerability

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.33%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

+0.07 pp

From 2.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Microsoft5 products

1 vendor · 5 products

References

1 links