Microsoft security alert.

September 14, 2021

Advisory overview

Qualys Vulnerability R&D Lab has released new vulnerability checks in the Enterprise TruRisk Platform to protect organizations against59 vulnerabilities that were fixed in 13 bulletins announced today by Microsoft. Customers can immediately audit their networks for these and other new vulnerabilities by accessing their Qualys subscription. Visit Qualys Security Blog to prioritize remediation.

Non-Qualys customers can audit their network for these and other vulnerabilities by signing up for a Qualys Free Trial, or by trying Qualys Community Edition.

Vulnerability details

Microsoft has released 13 security bulletins to fix newly discovered flaws in their software. Qualys has released the following checks for these new vulnerabilities:

  • Microsoft Office and Microsoft Office Services and Web Apps Security Update September 2021

    Severity
    Critical4

  • Microsoft SharePoint Enterprise Server Multiple Vulnerabilities September 2021

    Severity
    Serious3

  • Visual Studio Code Spoofing Vulnerability

    Severity
    Serious3

  • Azure Open Management Infrastructure Multiple Vulnerabilities

    Severity
    Serious3

  • Microsoft Edge Based On Chromium Prior to 93.0.961.47 Multiple Vulnerabilities

    Severity
    Critical4

  • Microsoft Hypertext Mark Up Language (MSHTML) Remote Code Execution (RCE) Vulnerability ActiveX Controls Disabled (Mitigation Enabled)

    Severity
    Minimal1

  • Microsoft Visual Studio Security Update for September 2021

    Severity
    Serious3

  • Microsoft Windows Security Update for September 2021

    Severity
    Critical4

  • Microsoft Dynamics Business Central Cross-Site Scripting (XSS) Vulnerability for September 2021

    Severity
    Serious3

  • Microsoft Windows Kernel Elevation of Privilege Vulnerability September 2021

    Severity
    Critical4

  • Microsoft Windows Codecs Library HEVC Video Extensions Remote Code Execution (RCE) Vulnerability for September 2021

    Severity
    Critical4

  • Microsoft MPEG-2 Video Extension Remote Code Execution (RCE) Vulnerability

    Severity
    Critical4

  • Microsoft Cumulative Security Update for Internet Explorer (KB5005563)

    Severity
    Serious3

These new vulnerability checks are included in Qualys vulnerability signature 2.5.279-3.Each Qualys account is automatically updated with the latest vulnerability signatures as they become available. To view the vulnerability signature version in your account, from the Qualys Help menu, select the About tab.

Selective Scan Instructions Using Qualys

To perform a selective vulnerability scan, configure a scan profile to use the following options:

  1. Ensure access to TCP ports 135 and 139 are available.
  2. Enable Windows Authentication (specify Authentication Records).
  3. Enable the following Qualys IDs:
    • 110390
    • 110391
    • 375854
    • 375860
    • 375861
    • 45505
    • 91815
    • 91816
    • 91817
    • 91818
    • 91819
    • 91820
    • 91821
  4. If you would like the scan to return the Windows Hostname, also include QID 82044 and ensure access to UDP port 137 is available.
  5. If you would like to be notified if Qualys is unable to log on to a host (if Authentication fails), also include QID 105015.

In addition, prior to running a scan for these new vulnerabilities, you can estimate your exposure to these new threats by running the Risk Analysis Report, available from the Qualys Vulnerability Management Reports tab.

Access for Qualys Customers

Platforms and Platform Identification Arrow Right

Technical Support

For more information, customers may contact Qualys Technical Support.

About Qualys

The Enterprise TruRisk Platform and its integrated suite of security and compliance applications provides organizations of all sizes with a global view of their security and compliance solutions, while drastically reducing their total cost of ownership. Qualys solutions include: continuous monitoring, vulnerability management, policy compliance, PCI compliance, security assessment questionnaire, web application scanning, web application firewall, malware detection and SECURE Seal for security testing of web sites.