Microsoft · Out-of-band update · July 6, 2021
KB5004945: July 2021 cumulative update for Windows 10 2004
KB5004945, released July 6, 2021, fixes 1 CVE across 4 products. One of them is being exploited (CVE-2021-34527); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.
Patch now1 on CISA KEVKnown ransomware use1 publicly disclosedUnsupported product
CVEs closed
1
1 rated Critical
Exploited
1
CVE-2021-34527
Exploitation more likely
0
Microsoft's assessment
Highest EPSS
0.9979
99th percentile
Applies to
| Product |
|---|
| Windows 10 Version 20H2 for 32-bit Systems |
| Windows 10 Version 20H2 for ARM64-based Systems |
| Windows 10 Version 20H2 for x64-based Systems |
| Windows Server, version 20H2 (Server Core Installation) |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2021-34527 | Windows Print Spooler Components | Remote Code Execution | 8.8 | 0.9979 | KEVRansomwareDisclosedExploited |
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