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Microsoft Exchange

Active
ApplicationsLatest Version: 15.2.2562.49Latest Release: Sep 8, 2026

Microsoft Exchange Server is an enterprise email, calendaring, and collaboration platform.

CISA known-exploited vulnerability signal

CISA KEV catalog version 2026.09.18 includes 17 manually mapped record(s) for this product.

Newest matching record added: Apr 13, 2026

Open the CISA KEV catalog ↗

This is a product-level catalog match, not a finding that the version shown above is vulnerable. Review each vendor advisory and affected-version range before acting.

Matching CVEs (showing up to 6)

  • CVE-2023-21529
  • CVE-2021-31196
  • CVE-2024-21410
  • CVE-2022-41080
  • CVE-2022-41040
  • CVE-2022-41082

Support summary

Microsoft Exchange currently has supported cycles. Track the next EOL date and validate upgrades before your change window.

What do EOL and support statuses mean?

Next EOL

No announced EOL date is currently listed.

Supported cycles

1

0 lts

Versions

11

Latest Version

15.2.2562.49

Active Support

1

EOL

10

Lifecycle Timeline

May 23, 1997As of Sep 19, 2026
subscriptionActive · Date not announced
2019EOL · Oct 14, 2025
2016EOL · Oct 14, 2025
2013EOL · Apr 11, 2023
2010EOL · Oct 13, 2020
2007EOL · Apr 11, 2017
2003EOL · Apr 8, 2014
2000EOL · Jan 11, 2011
5.5EOL · Jan 10, 2006
5.0EOL · Jan 10, 2006
ActiveSecurityEOLHistorical phase unknown

Bars show history up to the snapshot date. Gray intervals lack dated support boundaries; arrows indicate an unannounced EOL date, not a support guarantee.

Versions

ReleaseRelease DateActive SupportEOLLatest VersionLTSStatus
subscriptionJul 1, 2025MaintainedDate not announced15.2.2562.49No
Active
2019Oct 22, 2018Jan 9, 2024Oct 14, 202515.2.1544.36No
EOL
2016Oct 1, 2015Oct 13, 2020Oct 14, 202515.1.2507.61No
EOL
2013Jan 9, 2013Apr 10, 2018Apr 11, 202315.0.1497.48No
EOL
2010Nov 9, 2009Jan 13, 2015Oct 13, 202014.3.513.0No
EOL
2007Mar 8, 2007Apr 10, 2012Apr 11, 20178.3.517.0No
EOL
2003Sep 28, 2003Apr 14, 2009Apr 8, 20146.5.7654.4No
EOL
2000Nov 29, 2000Dec 31, 2005Jan 11, 20116.0.6620.7No
EOL
5.5Feb 3, 1998Dec 31, 2003Jan 10, 20065.5.2653No
EOL
5.0May 23, 1997Dec 31, 2003Jan 10, 20065.0.1460No
EOL
4.0Jun 11, 1996EndedEnded; date not announced4.0.996No
EOL

Data sources

Frequently Asked Questions

Which versions of Microsoft Exchange have reached end of life?
The following Microsoft Exchange versions have reached end of life and no longer receive security updates: 2019, 2016, 2013, 2010, 2007, 2003, 2000, 5.5 (and 2 more). It is recommended to upgrade to a supported version.
Is it safe to continue using Microsoft Exchange 2019?
Microsoft Exchange 2019 has reached end of life and no longer receives security patches or bug fixes. Continuing to use it may expose your systems to known vulnerabilities. We strongly recommend upgrading to a supported version.
What is the latest version of Microsoft Exchange?
The latest version of Microsoft Exchange is 15.2.2562.49, released in the subscription release cycle.
How many versions of Microsoft Exchange are currently supported?
Microsoft Exchange currently has 1 actively supported version(s): subscription.
When does Microsoft Exchange subscription reach end of life?
Microsoft Exchange subscription does not have a specific end-of-life date announced yet.
What should I do when Microsoft Exchange reaches end of life?
When a Microsoft Exchange version reaches end of life, you should: 1) Plan your migration to a supported version as soon as possible. 2) Review the release notes for breaking changes. 3) Test your applications thoroughly in a staging environment. 4) Update your dependencies to ensure compatibility with the new version.