Microsoft · Security update · July 2, 2021

KB5004958: July 2021 security update

KB5004958, released July 2, 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.

Patch now1 on CISA KEVKnown ransomware use1 publicly disclosed
CVEs closed
1
1 rated Critical
Exploited
1
CVE-2021-34527
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.9979
99th percentile

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2021-34527 Windows Print Spooler Components Remote Code Execution 8.8 0.9979 KEVRansomwareDisclosedExploited
Showing 1 to 1 of 1 1