Microsoft · Security update · October 12, 2021
KB5007012: October 2021 security update
KB5007012, released October 12, 2021, fixes 4 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.
HighUnsupported product
CVEs closed
4
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0283
86th percentile
Priority of the 4 CVEs
Patch now 0
Urgent 0
High 3
Routine 1
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2021-34453 | Microsoft Exchange Server | Denial of Service | 7.5 | 0.0283 | Exploitation Less Likely |
| High | CVE-2021-26427 | Microsoft Exchange Server | Remote Code Execution | 9.0 | 0.0089 | Exploitation Less Likely |
| High | CVE-2021-41348 | Microsoft Exchange Server | Elevation of Privilege | 8.0 | 0.0059 | Exploitation Less Likely |
| Routine | CVE-2021-41350 | Microsoft Exchange Server | Spoofing | 6.5 | 0.0191 | Exploitation Less Likely |
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