CVE-2024-20695

CVE-2024-20695 is a medium-severity vulnerability in Microsoft Skype For Business Server with a CVSS 3.x base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

• Severity: Medium (CVSS 3.x base score 5.7)
• EPSS exploit prediction: 1% (44th percentile)
• Actively exploited: Not listed in CISA KEV
• EU (EUVD) id: EUVD-2024-18410
• Weakness: CWE-284
• Affected product: Microsoft Skype For Business Server
• Published: 2024-02-13
• Last modified: 2026-08-10

Description

Skype for Business Information Disclosure Vulnerability

Frequently asked questions

What is CVE-2024-20695?

Skype for Business Information Disclosure Vulnerability

How severe is CVE-2024-20695?

CVE-2024-20695 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-20695 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-20695?

CVE-2024-20695 affects Microsoft Skype For Business Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-20695?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-20695 have an EU (EUVD) identifier?

Yes. CVE-2024-20695 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18410.

When was CVE-2024-20695 published?

CVE-2024-20695 was published on 2024-02-13 and last updated on 2026-08-10.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20695

Affected products (1)

• cpe:2.3:a:microsoft:skype_for_business_server:2019:cumulative_update_7:*:*:*:*:*:*

More vulnerabilities in Microsoft Skype For Business Server

• CVE-2023-36789 — High (CVSS 7.2): Skype for Business Remote Code Execution Vulnerability
• CVE-2023-36786 — High (CVSS 7.2): Skype for Business Remote Code Execution Vulnerability
• CVE-2023-36780 — High (CVSS 7.2): Skype for Business Remote Code Execution Vulnerability
• CVE-2021-26422 — High (CVSS 7.2): Skype for Business and Lync Remote Code Execution Vulnerability
• CVE-2022-26911 — Medium (CVSS 6.5): Skype for Business Information Disclosure Vulnerability
• CVE-2021-26421 — Medium (CVSS 6.5): Skype for Business and Lync Spoofing Vulnerability

All CVEs affecting Microsoft Skype For Business Server →

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