Microsoft · Security update · October 10, 2023
KB4470124: October 2023 security update
KB4470124, released October 10, 2023, fixes 4 CVEs in Skype for Business Server 2019 CU7. One of them is being exploited (CVE-2023-41763); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.
Patch now1 on CISA KEV1 publicly disclosedUnsupported product
CVEs closed
4
None rated Critical
Exploited
1
CVE-2023-41763
Exploitation more likely
1
Microsoft's assessment
Highest EPSS
0.9028
99th percentile
Priority of the 4 CVEs
Patch now 1
Urgent 1
High 2
Routine 0
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2023-41763 | Skype for Business | Elevation of Privilege | 5.3 | 0.9028 | KEVDisclosedExploited |
| Urgent | CVE-2023-36780 | Skype for Business | Remote Code Execution | 7.2 | 0.0268 | More likely |
| High | CVE-2023-36786 | Skype for Business | Remote Code Execution | 7.2 | 0.0257 | Exploitation Less Likely |
| High | CVE-2023-36789 | Skype for Business | Remote Code Execution | 7.2 | 0.0254 | Exploitation Less Likely |
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