Update manage-updates-baselines-microsoft-defender-antivirus.md

pared down current version section
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Denise Vangel-MSFT 2021-01-06 09:56:26 -08:00
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No known issues
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</details>
<details>
<summary> August-2020 (Platform: 4.18.2008.9 | Engine: 1.1.17400.5)</summary>
&ensp;Security intelligence update version: **1.323.9.0**
&ensp;Released: **August 27, 2020**
&ensp;Platform: **4.18.2008.9**
&ensp;Engine: **1.1.17400.5**
&ensp;Support phase: **Security and Critical Updates**
### What's new
- Add more telemetry events
- Improved scan event telemetry
- Improved behavior monitoring for memory scans
- Improved macro streams scanning
- Added `AMRunningMode` to Get-MpComputerStatus PowerShell cmdlet
- [DisableAntiSpyware](https://docs.microsoft.com/windows-hardware/customize/desktop/unattend/security-malware-windows-defender-disableantispyware) is ignored. Microsoft Defender Antivirus automatically turns itself off when it detects another antivirus program.
### Known Issues
No known issues
<br/>
</details>
<details>
<summary> July-2020 (Platform: 4.18.2007.8 | Engine: 1.1.17300.4)</summary>
&ensp;Security intelligence update version: **1.321.30.0**
&ensp;Released: **July 28, 2020**
&ensp;Platform: **4.18.2007.8**
&ensp;Engine: **1.1.17300.4**
&ensp;Support phase: **Security and Critical Updates**
### What's new
* Improved telemetry for BITS
* Improved Authenticode code signing certificate validation
### Known Issues
No known issues
<br/>
</details>
<details>
<summary> June-2020 (Platform: 4.18.2006.10 | Engine: 1.1.17200.2)</summary>
&ensp;Security intelligence update version: **1.319.20.0**
&ensp;Released: **June 22, 2020**
&ensp;Platform: **4.18.2006.10**
&ensp;Engine: **1.1.17200.2**
&ensp;Support phase: **Technical upgrade Support (Only)**
### What's new
* Possibility to specify the [location of the support logs](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-antivirus/collect-diagnostic-data)
* Skipping aggressive catchup scan in Passive mode.
* Allow Defender to update on metered connections
* Fixed performance tuning when caching is disabled
* Fixed registry query
* Fixed scantime randomization in ADMX
### Known Issues
No known issues
<br/>
</details>
<details>
<summary> May-2020 (Platform: 4.18.2005.4 | Engine: 1.1.17100.2)</summary>
&ensp;Security intelligence update version: **1.317.20.0**
&ensp;Released: **May 26, 2020**
&ensp;Platform: **4.18.2005.4**
&ensp;Engine: **1.1.17100.2**
&ensp;Support phase: **Technical upgrade Support (Only)**
### What's new
* Improved logging for scan events
* Improved user mode crash handling.
* Added event tracing for Tamper protection
* Fixed AMSI Sample submission
* Fixed AMSI Cloud blocking
* Fixed Security update install log
### Known Issues
No known issues
<br/>
</details>
<details>
<summary> April-2020 (Platform: 4.18.2004.6 | Engine: 1.1.17000.2)</summary>
&ensp;Security intelligence update version: **1.315.12.0**
&ensp;Released: **April 30, 2020**
&ensp;Platform: **4.18.2004.6**
&ensp;Engine: **1.1.17000.2**
&ensp;Support phase: **Technical upgrade Support (Only)**
### What's new
* WDfilter improvements
* Add more actionable event data to attack surface reduction detection events
* Fixed version information in diagnostic data and WMI
* Fixed incorrect platform version in UI after platform update
* Dynamic URL intel for Fileless threat protection
* UEFI scan capability
* Extend logging for updates
### Known Issues
No known issues
<br/>
</details>
<details>
<summary> March-2020 (Platform: 4.18.2003.8 | Engine: 1.1.16900.2)</summary>
&ensp;Security intelligence update version: **1.313.8.0**
&ensp;Released: **March 24, 2020**
&ensp;Platform: **4.18.2003.8**
&ensp;Engine: **1.1.16900.4**
&ensp;Support phase: **Technical upgrade Support (Only)**
### What's new
* CPU Throttling option added to [MpCmdRun](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-antivirus/command-line-arguments-microsoft-defender-antivirus)
* Improve diagnostic capability
* reduce Security intelligence timeout (5 min)
* Extend AMSI engine internal log capability
* Improve notification for process blocking
### Known Issues
[**Fixed**] Microsoft Defender Antivirus is skipping files when running a scan.
<br/>
</details>
<details>
<summary> February-2020 (Platform: - | Engine: 1.1.16800.2)</summary>
Security intelligence update version: **1.311.4.0**
Released: **February 25, 2020**
Platform/Client: **-**
Engine: **1.1.16800.2**
Support phase: **N/A**
### What's new
### Known Issues
No known issues
<br/>
</details>
<details>
<summary> January-2020 (Platform: 4.18.2001.10 | Engine: 1.1.16700.2)</summary>
Security intelligence update version: **1.309.32.0**
Released: **January 30, 2020**
Platform/Client: **4.18.2001.10**
Engine: **1.1.16700.2**
Support phase: **Technical upgrade Support (Only)**
### What's new
* Fixed BSOD on WS2016 with Exchange
* Support platform updates when TMP is redirected to network path
* Platform and engine versions are added to [WDSI](https://www.microsoft.com/wdsi/defenderupdates)
* extend Emergency signature update to [passive mode](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-antivirus/microsoft-defender-antivirus-compatibility)
* Fix 4.18.1911.3 hang
### Known Issues
[**Fixed**] devices utilizing [modern standby mode](https://docs.microsoft.com/windows-hardware/design/device-experiences/modern-standby) may experience a hang with the Windows Defender filter driver that results in a gap of protection. Affected machines appear to the customer as having not updated to the latest antimalware platform.
<br/>
> [!IMPORTANT]
> This updates is needed by RS1 devices running lower version of the platform to support SHA2. <br/>This update has reboot flag for systems that are experiencing the hang issue.<br/> the This update is re-released in April 2020 and will not be superseded by newer updates to keep future availability.
<br/>
> [!IMPORTANT]
> This update is categorized as an "update" due to its reboot requirement and will only be offered with a [Windows Update](https://support.microsoft.com/help/4027667/windows-10-update)
<br/>
</details>
<details>
<summary> November-2019 (Platform: 4.18.1911.3 | Engine: 1.1.16600.7)</summary>
Security intelligence update version: **1.307.13.0**
Released: **December 7, 2019**
Platform: **4.18.1911.3**
Engine: **1.1.17000.7**
Support phase: **No support**
### What's new
* Fixed MpCmdRun tracing level
* Fixed WDFilter version info
* Improve notifications (PUA)
* add MRT logs to support files
### Known Issues
When this update is installed, the device needs the jump package 4.10.2001.10 to be able to update to the latest platform version.
<br/>
</details>
### Previous version updates: Technical upgrade support only