Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-26911

24
FAUCET Score

CVE-2022-26911 is an information disclosure vulnerability affecting Microsoft Skype for Business Server and Lync Server. With a CVSS score of 6.5 (Medium), it allows an authenticated attacker to remotely disclose sensitive information with low attack complexity. While not currently listed on CISA's KEV catalog, there is no public exploit code available, and community discussion and media coverage have been minimal, with only one article mentioning it in the context of Microsoft's April 2022 Patch Tuesday.

Impacted Technologies

VendorProductVersion(s)CPE
2013CPE matchmatch criteria
cpe:2.3:a:microsoft:lync_server:2013:cumulative_update_10:*:*:*:*:*:*
2015CPE matchmatch criteria
cpe:2.3:a:microsoft:skype_for_business_server:2015:cu12:*:*:*:*:*:*
2019CPE matchmatch criteria
cpe:2.3:a:microsoft:skype_for_business_server:2019:cu6:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.30%
Probability of exploitation in next 30 days
EPSS Percentile
87.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0330 is in the 96th percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

microsoftpatch availablevia msrc
Product: Microsoft Lync Server 2013 CU10Fixed in: 8308.1194
View patch
microsoftpatch availablevia msrc
Product: Skype for Business Server 2015 CU12Fixed in: 9319.628
View patch
microsoftpatch availablevia msrc
Product: Skype for Business Server 2019 CU6Fixed in: 9319.628
View patch

Vendor Advisories (1)

microsoft2022-Apr/CVE-2022-26911Important

Skype for Business Information Disclosure Vulnerability

Apr 12, 2022

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2022-26911