CVE-2022-26910

mediumpriority · track · 21EPSS 0.025 · 84 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.48% (84th) EPSS

CVSS 5 · medium

Is it mine?

10 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · msrc_csaf

EPSS · scored 2026-10-27

Skype for Business and Lync Spoofing Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedSkype for Business Server 2015 CU12msrc_csaf
9319.628:Security Update:https://support.microsoft.com/help/5012686
https://support.microsoft.com/help/5012686
FixedSkype for Business Server 2019 CU6msrc_csaf
2046.396:Security Update:https://support.microsoft.com/help/5012686
https://support.microsoft.com/help/5012686

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:Csecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · secure@microsoft.com USexploitability 3.9 · impact 1.4

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-290USCWE-451US

affected products (10)

Products and version ranges known to be affected.

Microsoft Skype for Business Server 2015 CU129319.0 → 9319.628enisa_euvdEU
Microsoft Skype for Business Server 2019 CU62046.0 → 2046.396enisa_euvdEU
Microsoft Corp Skype for Business Server≤ 2015 CU12fstec_bduRU
Microsoft Corp Skype for Business Server≤ 2019 CU6fstec_bduRU
Skype for Business Server 2015 CU12all versionsfixedmsrc_csafUS
Skype for Business Server 2015 CU12< 9319.628msrc_csafUS
Skype for Business Server 2019 CU6all versionsfixedmsrc_csafUS
Skype for Business Server 2019 CU6< 2046.396msrc_csafUS
microsoft skype for business server= 2015nvdUScpe:2.3:a:microsoft:skype_for_business_server:*:*:*:*:*:*:*:*
microsoft skype for business server= 2019nvdUScpe:2.3:a:microsoft:skype_for_business_server:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

msrc_CVE-2022-26910Skype for Business and Lync Spoofing Vulnerability2022-04-12csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu msrc_csaf nvd NVD CVE.org MITRE

published 2022-04-15modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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