5.3

CVE-2022-26910: microsoft skype_for_business_server Authentication Bypass by Spoofing

CVSS: 5.3v3.1MediumModified
Published 15-04-2022Last modified 02-01-2025
Open JSON

Vulnerability summary

CVE-2022-26910 is a medium (CVSS 5.3) Authentication Bypass by Spoofing vulnerability in microsoft skype_for_business_server. EPSS estimates a 2.48% chance of exploitation in the next 30 days, higher than 84.3% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
2.48%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-04-2022
    PublishedVulnerability first disclosed.
  2. 02-01-2025
    Last modifiedVulnerability information updated.

Description

Skype for Business and Lync Spoofing Vulnerability

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.48%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

0.00 pp

From 2.48% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.48%

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

Affected systems

Microsoft3 products

1 vendor · 3 products

References

1 links