Microsoft · Security update · June 8, 2021

KB5003694: June 2021 security update

KB5003694, released June 8, 2021, fixes 10 CVEs across 4 products. 4 of them are being exploited (CVE-2021-1675); 4 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now4 on CISA KEVKnown ransomware use1 publicly disclosedUnsupported product

CVEs closed

1 rated Critical

Exploited

CVE-2021-1675

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.8531

99th percentile

Priority of the 10 CVEs

Patch now 4
                                Urgent 1
                                High 5
                                Routine 0

Applies to

Product
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2021-1675	Windows Print Spooler Components	Remote Code Execution	7.8	0.8531	KEVRansomwareExploited
Patch now	CVE-2021-31956	Windows NTFS	Elevation of Privilege	7.8	0.2227	KEVExploited
Patch now	CVE-2021-31199	Windows Cryptographic Services	Elevation of Privilege	5.2	0.0298	KEVExploited
Patch now	CVE-2021-31201	Windows Cryptographic Services	Elevation of Privilege	5.2	0.0262	KEVExploited
Urgent	CVE-2021-31954	Windows Common Log File System Driver	Elevation of Privilege	7.8	0.0107	More likely
High	CVE-2021-31962	Windows Kerberos	Security Feature Bypass	9.4	0.0381	Exploitation Less Likely
High	CVE-2021-31968	Windows Remote Desktop	Denial of Service	7.5	0.0318	DisclosedExploitation Less Likely
High	CVE-2021-31958	Windows NTLM	Elevation of Privilege	7.5	0.0256	Exploitation Less Likely
High	CVE-2021-31953	Windows Filter Manager	Elevation of Privilege	7.8	0.0055	Exploitation Less Likely
High	CVE-2021-31973	Windows Installer	Elevation of Privilege	7.8	0.0055	Exploitation Less Likely

Released the same day

KB4011698
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
KB5001922
Microsoft SharePoint Enterprise Server 2016
KB5001934
Microsoft Outlook 2013 RT Service Pack 1, Microsoft Outlook 2013 Service Pack 1 (32-bit editions), Microsoft Outlook 2013 Service Pack 1 (64-bit editions)
KB5001939
Microsoft SharePoint Foundation 2013 Service Pack 1
KB5001942
Microsoft Outlook 2016 (32-bit edition), Microsoft Outlook 2016 (64-bit edition)
KB5001943
Office Online Server
KB5001944
Microsoft SharePoint Server 2019
KB5001945
Microsoft SharePoint Server 2019
KB5001946
Microsoft SharePoint Enterprise Server 2016
KB5001947
Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)
KB5001950
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB5001951
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)

Vendor advisory

https://support.microsoft.com/help/5003694

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