High Threat Security Alert (A26-08-16): Multiple Vulnerabilities in Microsoft Products (August 2026)


 

Published on: 12 August 2026

Description:

Microsoft has released security updates addressing multiple vulnerabilities which affect several Microsoft products or components. The list of security updates can be found at:
https://msrc.microsoft.com/update-guide/releaseNote/2026-Aug

Reports indicated that an elevation of privilege vulnerability (CVE-2026-68820) is being exploited in the wild. In addition, reports indicated that proof-of-concept (PoC) exploit codes for multiple vulnerabilities (CVE-2026-62832 and CVE-2026-72971) is publicly available. System administrators are advised to take immediate action to patch your affected systems to mitigate the elevated risk of cyber attacks.

 

Affected Systems:

  • Microsoft Edge prior to version 151.0.4129.78
  • Windows 10, 11, 11 version 26H1
  • Windows App Client for Windows Desktop
  • Windows Server 2012, 2012 R2, 2016, 2019, 2022, 2025
  • Microsoft Office 2016, 2019, LTSC 2021, LTSC 2024, LTSC for Mac 2021, LTSC for Mac 2024, Office 365 for Mac
  • Microsoft Excel 2016
  • Microsoft Word 2016
  • Microsoft PowerPoint 2016
  • Microsoft Outlook 2016
  • Microsoft Access 2016
  • Microsoft 365 Apps for Enterprise
  • Microsoft Exchange Server 2016, 2019, Subscription Edition RTM
  • Microsoft SharePoint Enterprise Server 2016
  • Microsoft SharePoint Server 2019, Subscription Edition
  • Microsoft Visual Studio Code CoPilot Chat Extension
  • .NET 8.0, 9.0, 10.0 installed on Linux, Mac OS, Windows
  • Microsoft Teams
  • Microsoft .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
  • Power BI Report Server
  • Visual Studio Code
  • Windows Package Manager
  • Microsoft Defender for Endpoint for Mac
  • Microsoft Dynamics 365
  • Microsoft Entra Connect

For detailed information of the affected systems, please refer to the corresponding security advisories at vendor's website.

 

Impact:

Depending on the vulnerabilities exploited, a successful attack could lead to remote code execution, denial of service, elevation of privilege, information disclosure, security restriction bypass, spoofing or tampering on an affected system.

 

Recommendation:

Patches for affected products are available from the Windows Update / Microsoft Update Catalog. Users of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk.

 

More Information:

  • https://msrc.microsoft.com/update-guide/releaseNote/2026-Aug
  • https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#august-10-2026
  • https://www.hkcert.org/security-bulletin/microsoft-monthly-security-update-august-2026
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-6726 (to CVE-2026-6727)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-19137 (to CVE-2026-19140)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-19142
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-19144 (to CVE-2026-19153)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-19155 (to CVE-2026-19177)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-42976
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-47285
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-49179
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-50472
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-54113
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-54123
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-54981
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-54984
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-56174
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-56179
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-57105
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-58639
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-58641
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-58650 (to CVE-2026-58651)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-59113
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-59122
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-59124 (to CVE-2026-59128)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-59130 (to CVE-2026-59138)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-61345 (to CVE-2026-61350)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-61352 (to CVE-2026-61353)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-61355 (to CVE-2026-61361)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-61363 (to CVE-2026-61368)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-61918
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-61920 (to CVE-2026-61921)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-61923 (to CVE-2026-61930)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-61932 (to CVE-2026-61934)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-61936 (to CVE-2026-61939)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62688
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62690
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62692 (to CVE-2026-62693)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62695 (to CVE-2026-62696)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62698 (to CVE-2026-62703)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62705
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62707 (to CVE-2026-62726)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62728 (to CVE-2026-62730)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62732 (to CVE-2026-62743)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62745 (to CVE-2026-62755)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62757 (to CVE-2026-62758)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62761
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62766
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62768 (to CVE-2026-62788)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62790
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62792 (to CVE-2026-62793)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62795 (to CVE-2026-62800)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62803
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62807
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62811 (to CVE-2026-62812)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62814 (to CVE-2026-62820)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62822 (to CVE-2026-62824)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62827
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62829
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62832
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62837
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62839
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62842
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62871 (to CVE-2026-62872)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62876 (to CVE-2026-62878)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62880 (to CVE-2026-62883)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62885 (to CVE-2026-62890)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62892 (to CVE-2026-62894)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62897 (to CVE-2026-62902)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62908 (to CVE-2026-62915)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-62917
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-63512 (to CVE-2026-63521)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-63524 (to CVE-2026-63533)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-64897 (to CVE-2026-64912)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-64914 (to CVE-2026-64917)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-64919 (to CVE-2026-64922)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-65656 (to CVE-2026-65658)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-65660 (to CVE-2026-65665)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-65671 (to CVE-2026-65673)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-65675
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-65678 (to CVE-2026-65679)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-65681
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-65767 (to CVE-2026-65769)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-65773 (to CVE-2026-65791)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-65794 (to CVE-2026-65799)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-65807
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-65810 (to CVE-2026-65811)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-65813 (to CVE-2026-65815)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-66301
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-66799
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-66802
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-66804 (to CVE-2026-66810)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-68792 (to CVE-2026-68817)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-68819 (to CVE-2026-68821)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-69278
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-69306
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-69320
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-70130
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-70304
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-70306 (to CVE-2026-70307)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-70310 (to CVE-2026-70330)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-70335 (to CVE-2026-70336)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-70339
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-70344 (to CVE-2026-70348)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-70354 (to CVE-2026-70355)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-71331
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-72971


Tag: Microsoft , Microsoft Edge , Windows , Windows App , Windows Server , Microsoft Office , Excel , Word , PowerPoint , Outlook , Access , 365 Apps , Exchange Server , SharePoint , Visual Studio Code , .NET , Teams , Power BI , Windows Package Manager , Microsoft Defender , Dynamics 365 , Entra Connect
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