Microsoft · Security update · May 11, 2021

KB5003228: May 2021 security update

KB5003228, released May 11, 2021, fixes 11 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

UrgentUnsupported product
CVEs closed
11
2 rated Critical
Exploited
0
None reported
Exploitation more likely
1
Vendor assessment
Highest EPSS
0.3923
98th percentile

Priority of the 11 CVEs

Patch now 0 Urgent 3 High 4 Routine 4

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Urgent CVE-2021-28476 Role: Windows Hyper-V Remote Code Execution 9.9 0.3923 Exploitation Less Likely
Urgent CVE-2021-31194 Windows OLE Remote Code Execution 8.8 0.0235 Exploitation Less Likely
Urgent CVE-2021-31188 Microsoft Graphics Component Elevation of Privilege 7.8 0.0137 More likely
High CVE-2021-31186 Windows RDP Client Information Disclosure 7.4 0.0297 Exploitation Less Likely
High CVE-2021-28455 Jet Red and Access Connectivity Remote Code Execution 8.8 0.0212 Exploitation Less Likely
High CVE-2021-31182 Microsoft Bluetooth Driver Spoofing 7.1 0.0084 Exploitation Less Likely
High CVE-2021-31193 Windows SSDP Service Elevation of Privilege 7.8 0.0052 Exploitation Less Likely
Routine CVE-2020-26144 Windows Wireless Networking Spoofing 6.5 0.0491 Exploitation Less Likely
Routine CVE-2020-24588 Windows Wireless Networking Spoofing 6.5 0.0361 Exploitation Less Likely
Routine CVE-2020-24587 Windows Wireless Networking Information Disclosure 6.5 0.0259 Exploitation Less Likely
Routine CVE-2021-31184 Microsoft Windows IrDA Information Disclosure 5.5 0.0156 Exploitation Less Likely
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