Microsoft · Out-of-band update · July 6, 2021
KB5004950: July 2021 cumulative update for Windows 10 1507
KB5004950, released July 6, 2021, fixes 1 CVE across 2 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 | Build after install |
|---|---|
| Windows 10 for 32-bit Systems | 10240.18969 |
| Windows 10 for x64-based Systems | 10240.18969 |
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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