CVE-2022-24463

mediumpriority · track · 27EPSS 0.318 · 98 %ileEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

31.8% (98th) EPSS

CVSS 4 · medium

Is it mine?

18 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · msrc_csaf

EPSS · scored 2026-10-27

Microsoft Exchange Server Spoofing Vulnerability

remediations

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

A vendor fix is available.

FixedMicrosoft Exchange Server 2016 Cumulative Update 21msrc_csaf
15.01.2308.027:Security Update:https://support.microsoft.com/help/5012698
https://support.microsoft.com/help/5012698
FixedMicrosoft Exchange Server 2016 Cumulative Update 22msrc_csaf
15.01.2375.024:Security Update:https://support.microsoft.com/help/5012698
https://support.microsoft.com/help/5012698
FixedMicrosoft Exchange Server 2019 Cumulative Update 10msrc_csaf
15.02.0922.027:Security Update:https://support.microsoft.com/help/5012698
https://support.microsoft.com/help/5012698
FixedMicrosoft Exchange Server 2019 Cumulative Update 11msrc_csaf
15.02.0986.022:Security Update:https://support.microsoft.com/help/5012698
https://support.microsoft.com/help/5012698

cvss

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

6.5

010

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

v2.04mediumAV:N/AC:L/Au:S/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.16.5mediumAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:Csecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · secure@microsoft.com USexploitability 2.8 · impact 3.6

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Hsecondary · CVSS-BT (t0sche)

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200US

affected products (18)

Products and version ranges known to be affected.

Microsoft Microsoft Exchange Server 2016 Cumulative Update 2115.01.0 → 15.01.2308.027enisa_euvdEU
Microsoft Microsoft Exchange Server 2016 Cumulative Update 2215.0.0 → 15.01.2375.024enisa_euvdEU
Microsoft Microsoft Exchange Server 2019 Cumulative Update 1015.02.0 → 15.02.0922.027enisa_euvdEU
Microsoft Microsoft Exchange Server 2019 Cumulative Update 1115.02.0 → 15.02.0986.022enisa_euvdEU
Microsoft Corp Microsoft Exchange Server≤ 2019 Cumulative Update 10fstec_bduRU
Microsoft Corp Microsoft Exchange Server≤ 2016 Cumulative Update 22fstec_bduRU
Microsoft Corp Microsoft Exchange Server≤ 2019 Cumulative Update 11fstec_bduRU
Microsoft Corp Microsoft Exchange Server≤ 2016 Cumulative Update 21fstec_bduRU
Microsoft Exchange Server 2016 Cumulative Update 21all versionsfixedmsrc_csafUS
Microsoft Exchange Server 2016 Cumulative Update 21< 15.01.2308.027msrc_csafUS
Microsoft Exchange Server 2016 Cumulative Update 22all versionsfixedmsrc_csafUS
Microsoft Exchange Server 2016 Cumulative Update 22< 15.01.2375.024msrc_csafUS
Microsoft Exchange Server 2019 Cumulative Update 10all versionsfixedmsrc_csafUS
Microsoft Exchange Server 2019 Cumulative Update 10< 15.02.0922.027msrc_csafUS
Microsoft Exchange Server 2019 Cumulative Update 11all versionsfixedmsrc_csafUS
Microsoft Exchange Server 2019 Cumulative Update 11< 15.02.0986.022msrc_csafUS
microsoft exchange server= 2016nvdUScpe:2.3:a:microsoft:exchange_server:*:*:*:*:*:*:*:*
microsoft exchange server= 2019nvdUScpe:2.3:a:microsoft:exchange_server:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

msrc_CVE-2022-24463Microsoft Exchange Server Spoofing Vulnerability2022-03-08csaf · 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 2022-03-09modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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