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CVE-2023-41763Skype for Business Elevation of Privilege Vulnerability

Skype for Business Elevation of Privilege Vulnerability

5.3 MEDIUMEPSS 90.28%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 06:22 UTC

OverviewCVSS details

5.3MEDIUMCVSS 3.1

Score source: microsoft (CNA)
NVD status: Analyzed
Published: Oct 10, 2023
Assigner: microsoft

Affected

Skype for Business Server 2015 CU13 (Microsoft)

Versions: 9319.0 before 6.0.9319.869
Fixed in: 6.0.9319.869

+1 more product →

Exploitation

Public exploit: None listed
CISA KEV: Listed · Oct 10, 2023
KEV due date: Oct 31, 2023
Ransomware use: Unknown
SSVC: Exploitation active · Automatable yes · Impact partial

EPSS · FIRST, scored Nov 9

90.28%chance of exploitation in 30 days

Higher than 99.80% of CVEs

CVSS 3.1 · microsoft (CNA)

5.3Medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: Low
Integrity impact: None
Availability impact: None

CVSS 3.1 · microsoft (CNA)

5.3Medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: Low
Integrity impact: None
Availability impact: None

NVD status: Analyzed

Overview Affected Products References

Overview

Severity

Score	Severity	Version	Vector String
5.3	MEDIUM	3.1microsoft (CNA)	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3	MEDIUM	3.1microsoft (CNA)	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

CISA required action

⚡ Known exploited · remediation due Oct 31, 2023

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Details

CVE ID: CVE-2023-41763
Status: Analyzed
Assigner (CNA): microsoft
Published: Oct 10, 2023
Last modified: 2026-06-17 06:22 UTC
Weaknesses: CWE-918 · Server-Side Request Forgery (SSRF)

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 15:15 UTC.