Add Windows Antivirus July 2026 release (Platform 4.18.26070.9 / Engine 1.1.26070.7) - #568
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Kurt Sarens (@kurtsarens) : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change. Leonard Wainstein (@lwainstein)@noam04 |
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Kurt Sarens (@kurtsarens) : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change. Leonard Wainstein (@lwainstein)@noam04 |
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Pull request overview
Adds a new Windows Antivirus release entry (Platform 4.18.26070.9 / Engine 1.1.26070.7) to the Microsoft Defender for Endpoint release notes, updating both the summary table and the detailed “Microsoft Defender Antivirus releases” section.
Changes:
- Added a new Windows Antivirus row for the July 2026 release in the “All supported releases by date” table.
- Added a new “Windows Antivirus | July 2026” release details section with component versions/dates and enhancement bullets.
| | Platform | 4.18.26070.9 | August 5, 2026 | | ||
| | Engine | 1.1.26070.7 | August 5, 2026 | | ||
| | Security intelligence<sup>1</sup> | 1.457.11.0 | August 5, 2026 | |
| #### Enhancements and features | ||
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| - Improved archive scanning performance to scale service memory limits dynamically based on the number of logical cores. | ||
| - Improved cache builds on devices with Lunar Lake CPU's using TrustedImageIdentifier |
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| |OS |Build |Month released|Details |Learn more | | ||
| |---------|---------|---------|---------|---------| | ||
| |Windows Antivirus |Platform 4.18.26070.9 / Engine 1.1.26070.7|July 2026|- Platform: 4.18.26070.9<br>- Engine: 1.1.26070.7<br>- Security intelligence: 1.457.11.0|[Release details and updates](#windows-antivirus--july-2026--platform-418260709--engine-11260707)| |
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noam04 Yong Rhee [MSFT] (@YongRhee-MSFT) Paul Huijbregts (@pahuijbr) Can you review the proposed changes? Important: When the changes are ready for publication, adding a #label:"aq-pr-triaged" |
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Recreated this PR in the private version of the repo for predictable publishing: https://github.com/MicrosoftDocs/defender-docs-pr/pull/8960 Closing |
Recreates the release-note update submitted by Kurt Sarens in #568. Co-authored-by: Kurt Sarens <ksarens@microsoft.com> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 7d5b1992-f2f7-4d5d-81eb-15ecd2e9493d
* Add July 2026 Defender Antivirus release Recreates the release-note update submitted by Kurt Sarens in #568. Co-authored-by: Kurt Sarens <ksarens@microsoft.com> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 7d5b1992-f2f7-4d5d-81eb-15ecd2e9493d * Update prompt-injection-protection-defender-for-office-365.md MDO P2 only --------- Copilot-Session: 7d5b1992-f2f7-4d5d-81eb-15ecd2e9493d
Added the Windows Antivirus July 2026 release entry with release details and enhancements.