CVE-2023-41763: Microsoft Skype for Business Privilege Escalation Vulnerability

Published Oct 10, 2023
·
Updated

Microsoft Skype for Business contains an unspecified vulnerability that allows for privilege escalation.

Other sources

Skype for Business Elevation of Privilege Vulnerability

Affected Software

7 affected componentsFixes available
Microsoft Skype for Business
Microsoft Skype for Business Server 2015 CU13
Microsoft Skype for Business Server 2019 CU7
Microsoft Skype for Business Server=2015-cumulative_update_13
Microsoft Skype for Business Server=2019-cumulative_update_7
Microsoft Skype for Business Server 2019 CU7<7.0.246.530
7.0.246.530
Microsoft Skype for Business Server 2015 CU13<6.0.9319.869
6.0.9319.869

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 7.0.246.530Patch KB4470124
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.0.9319.869Patch KB3061064
  3. Upgrade

    Upgrade Microsoft Skype For Business Server to a version that resolves this vulnerability.

    Fixed in 6.0.9319.869Patch KB3061064
  4. Upgrade

    Upgrade Microsoft Skype for Business to a version that resolves this vulnerability.

    Fixed in 7.0.246.530Patch KB4470124
  5. Compensating control

    Discontinue use of the product if mitigations are unavailable.

Event History

Oct 10, 2023
CVE Published
via CISA·12:00 AM
Known Exploited
via CISA·12:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Description
CVE Published
via MITRE·05:07 PM
Data Sourced
via MITRE·05:07 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is CVE-2023-41763?

CVE-2023-41763 is a privilege escalation vulnerability in Microsoft Skype for Business.

2

How severe is CVE-2023-41763?

CVE-2023-41763 has a severity rating of 5.3, which is considered high.

3

Which versions of Skype for Business are affected by CVE-2023-41763?

Skype for Business Server 2015 CU13, Skype for Business Server 2019 CU7, and the general Skype for Business product are affected by CVE-2023-41763.

4

How can I fix CVE-2023-41763?

To fix CVE-2023-41763, you can apply the appropriate patches or updates provided by Microsoft.

5

Where can I find more information about CVE-2023-41763?

You can find more information about CVE-2023-41763 on the Microsoft Security Response Center website.

Contact

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