Microsoft · Security update · July 13, 2021
KB5004779: July 2021 security update
KB5004779, released July 13, 2021, fixes 3 CVEs across 2 products. One of them is being exploited (CVE-2021-31196); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.
Patch now1 on CISA KEVUnsupported product
CVEs closed
3
None rated Critical
Exploited
1
CVE-2021-31196
Exploitation more likely
0
Microsoft's assessment
Highest EPSS
0.5406
99th percentile
Priority of the 3 CVEs
Patch now 1
Urgent 0
High 2
Routine 0
Applies to
| Product |
|---|
| Microsoft Exchange Server 2016 Cumulative Update 20 |
| Microsoft Exchange Server 2016 Cumulative Update 21 |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2021-31196 | Microsoft Exchange Server | Remote Code Execution | 7.2 | 0.5406 | KEVExploited |
| High | CVE-2021-31206 | Microsoft Exchange Server | Remote Code Execution | 7.6 | 0.1301 | Exploitation Less Likely |
| High | CVE-2021-33768 | Microsoft Exchange Server | Elevation of Privilege | 8.0 | 0.0113 | Exploitation Less Likely |
Showing 1 to 3 of 3
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