Exchange Server SE
Updated continuously, with no end date published. The newest release is 15.2.2562.56, published 13 Oct 2026.
What to do
The publisher updates Exchange Server SE continuously and states no end date. Stay on the newest release, 15.2.2562.56.
Is your version current?
Compared with the publisher's releases of this lineExchange Server support timeline
From first preview through release to end of support, as the vendors publish themTicks are releases; the red ones fix CVEs. Dates come from each vendor's release and lifecycle data and move when the vendor changes them.
Releases of Exchange Server SE
8 collected, newest first| Version | Published | Release | What the notes say |
|---|---|---|---|
| 15.2.2562.56 | 13 Oct 2026 | RTM Oct26SUKB5128895 | — |
| 15.2.2562.53 | 2 Oct 2026 | RTM Sep26SUv2KB5129955 | — |
| 15.2.2562.49 | 8 Sep 2026 | RTM Sep26SUKB5121608 | — |
| 15.2.2562.46 | 11 Aug 2026 | RTM Aug26SUKB5121573 | — |
| 15.2.2562.45 | 14 Jul 2026 | RTM Jul26SUKB5103212 | — |
| 15.2.2562.43 | 9 Jun 2026 | RTM Jun26SUKB5094139 | — |
| 15.2.2562.41 | 7 May 2026 | RTM May26HUKB5081755 | — |
| 15.2.2562.37 | 10 Feb 2026 | RTM Feb26SUKB5074992 | — |
Security fixes
CVEs the collected releases fix, newest first| CVE | Severity | Fixed in |
|---|---|---|
| CVE-2026-70279Microsoft Exchange Server Spoofing Vulnerability | Important · CVSS 9.3 | 15.2.2562.56 · 13 Oct 2026 |
| CVE-2026-77910Microsoft Exchange Server Elevation of Privilege Vulnerability | Important · CVSS 8.8 | 15.2.2562.56 · 13 Oct 2026 |
| CVE-2026-70571Microsoft Exchange Server Remote Code Execution Vulnerability | Critical · CVSS 8.1 | 15.2.2562.56 · 13 Oct 2026 |
| CVE-2026-87692Microsoft Exchange Server Elevation of Privilege Vulnerability | Important · CVSS 7.8 | 15.2.2562.56 · 13 Oct 2026 |
| CVE-2026-87695Microsoft Exchange Server Elevation of Privilege Vulnerability | Important · CVSS 7.8 | 15.2.2562.56 · 13 Oct 2026 |
| CVE-2026-87696Microsoft Exchange Server Elevation of Privilege Vulnerability | Important · CVSS 7.5 | 15.2.2562.56 · 13 Oct 2026 |
| CVE-2026-96940Microsoft Exchange Server Elevation of Privilege Vulnerability | Important · CVSS 8.8 | 15.2.2562.53 · 2 Oct 2026 |
| CVE-2026-69356Microsoft Exchange Server Spoofing Vulnerability | Important · CVSS 9.3 | 15.2.2562.49 · 8 Sep 2026 |
| CVE-2026-69641Microsoft Exchange Server Elevation of Privilege Vulnerability | Important · CVSS 9.1 | 15.2.2562.49 · 8 Sep 2026 |
| CVE-2026-69355Microsoft Exchange Server Remote Code Execution Vulnerability | Important · CVSS 8.8 | 15.2.2562.49 · 8 Sep 2026 |
| CVE-2026-55007Microsoft Exchange Server Remote Code Execution Vulnerability | Important · CVSS 8.1 | 15.2.2562.49 · 8 Sep 2026 |
| CVE-2026-69380Microsoft Exchange Server Elevation of Privilege Vulnerability | Important · CVSS 8.1 | 15.2.2562.49 · 8 Sep 2026 |
| CVE-2026-69378Microsoft Exchange Server Denial of Service Vulnerability | Important · CVSS 7.5 | 15.2.2562.49 · 8 Sep 2026 |
| CVE-2026-69361Microsoft Exchange Server Spoofing Vulnerability | Important · CVSS 6.5 | 15.2.2562.49 · 8 Sep 2026 |
| CVE-2026-69375Microsoft Exchange Server Tampering Vulnerability | Important · CVSS 6.5 | 15.2.2562.49 · 8 Sep 2026 |
| CVE-2026-69382Microsoft Exchange Server Information Disclosure Vulnerability | Important · CVSS 5.9 | 15.2.2562.49 · 8 Sep 2026 |
| CVE-2026-62913Microsoft Exchange Server Remote Code Execution Vulnerability | Important · CVSS 8.8 | 15.2.2562.46 · 11 Aug 2026 |
| CVE-2026-62911Microsoft Exchange Server Elevation of Privilege Vulnerability | Critical · CVSS 8.0 | 15.2.2562.46 · 11 Aug 2026 |
| CVE-2026-62914Microsoft Exchange Server Spoofing Vulnerability | Important · CVSS 7.3 | 15.2.2562.46 · 11 Aug 2026 |
| CVE-2026-62910Microsoft Exchange Server Elevation of Privilege Vulnerability | Important · CVSS 7.2 | 15.2.2562.46 · 11 Aug 2026 |
| CVE-2026-62912Microsoft Exchange Server Denial of Service Vulnerability | Important · CVSS 6.5 | 15.2.2562.46 · 11 Aug 2026 |
| CVE-2026-62915Microsoft Exchange Server Security Feature Bypass Vulnerability | Important · CVSS 6.5 | 15.2.2562.46 · 11 Aug 2026 |
| CVE-2026-65813Microsoft Exchange Server Elevation of Privilege Vulnerability | Important · CVSS 6.5 | 15.2.2562.46 · 11 Aug 2026 |
Open known issues
All Exchange Server issues- Availability (free/busy) fails for delegated mailboxes in Exchange hybrid deployments that use Graph API onlyProduct known issue · 2 Oct 2026
- Availability (free/busy) fails for delegated mailboxes in Exchange hybrid deployments using Graph API onlyProduct known issue · 8 Sep 2026
- showInAddressList property is out of sync with Microsoft ExchangeGraph known issue · Date not supplied
What changed
First observed 14 Oct 2026No field changes in the recorded history.
Cite this recorded revision to keep the same title, summary, facts and links when the page changes.
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Keep track
- Exchange Server RSS feed: new releases, known issues, retirements and roadmap changes.
- What I run: list the versions you run and see which fall behind or out of support.
- Everything about Exchange Server: its timeline, notices, roadmap and other lines.