Microsoft · Security update · May 10, 2022

KB5013944: May 2022 cumulative update for Windows Server 2022

KB5013944, released May 10, 2022, fixes 56 CVEs across 2 products. One of them is being exploited (CVE-2022-26925); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV1 publicly disclosed

CVEs closed

5 rated Critical

Exploited

CVE-2022-26925

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.7935

99th percentile

Priority of the 56 CVEs

Patch now 1
                                Urgent 10
                                High 28
                                Routine 17

Applies to

Product	Build after install
Windows Server 2022	20348.707
Windows Server 2022 (Server Core installation)	20348.707

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2022-26925	Microsoft Local Security Authority Server (lsasrv)	Spoofing	8.1	0.1048	KEVDisclosedExploited
Urgent	CVE-2022-21972	Windows Point-to-Point Tunneling Protocol	Remote Code Execution	8.1	0.7935	Exploitation Less Likely
Urgent	CVE-2022-26937	Windows Network File System	Remote Code Execution	9.8	0.7597	More likely
Urgent	CVE-2022-23270	Windows Point-to-Point Tunneling Protocol	Remote Code Execution	8.1	0.7035	More likely
Urgent	CVE-2022-22017	Remote Desktop Client	Remote Code Execution	8.8	0.3711	More likely
Urgent	CVE-2022-29104	Windows Print Spooler Components	Elevation of Privilege	7.8	0.1176	More likely
Urgent	CVE-2022-29142	Windows Kernel	Elevation of Privilege	7.0	0.0509	More likely
Urgent	CVE-2022-23279	Windows ALPC	Elevation of Privilege	7.0	0.0472	More likely
Urgent	CVE-2022-26931	Windows Kerberos	Elevation of Privilege	7.5	0.0269	Exploitation Less Likely
Urgent	CVE-2022-29114	Windows Print Spooler Components	Information Disclosure	5.5	0.0132	More likely
Urgent	CVE-2022-29132	Windows Print Spooler Components	Elevation of Privilege	7.8	0.0071	More likely
High	CVE-2022-26927	Microsoft Graphics Component	Remote Code Execution	8.8	0.0460	Exploitation Less Likely
High	CVE-2022-22012	Windows LDAP - Lightweight Directory Access Protocol	Remote Code Execution	9.8	0.0418	Exploitation Less Likely
High	CVE-2022-29130	Windows LDAP - Lightweight Directory Access Protocol	Remote Code Execution	9.8	0.0393	Exploitation Less Likely
High	CVE-2022-29128	Windows LDAP - Lightweight Directory Access Protocol	Remote Code Execution	8.8	0.0290	Exploitation Less Likely
High	CVE-2022-29129	Windows LDAP - Lightweight Directory Access Protocol	Remote Code Execution	8.8	0.0290	Exploitation Less Likely
High	CVE-2022-29131	Windows LDAP - Lightweight Directory Access Protocol	Remote Code Execution	8.8	0.0290	Exploitation Less Likely
High	CVE-2022-29141	Windows LDAP - Lightweight Directory Access Protocol	Remote Code Execution	8.8	0.0283	Exploitation Less Likely
High	CVE-2022-26926	Windows Address Book	Remote Code Execution	7.8	0.0281	Exploitation Less Likely
High	CVE-2022-22019	Windows Remote Procedure Call Runtime	Remote Code Execution	8.8	0.0272	Exploitation Less Likely
High	CVE-2022-22013	Windows LDAP - Lightweight Directory Access Protocol	Remote Code Execution	8.8	0.0248	Exploitation Less Likely
High	CVE-2022-22014	Windows LDAP - Lightweight Directory Access Protocol	Remote Code Execution	8.8	0.0248	Exploitation Less Likely
High	CVE-2022-29137	Windows LDAP - Lightweight Directory Access Protocol	Remote Code Execution	8.8	0.0248	Exploitation Less Likely
High	CVE-2022-26913	Windows Authentication Methods	Security Feature Bypass	7.4	0.0246	Exploitation Less Likely
High	CVE-2022-29139	Windows LDAP - Lightweight Directory Access Protocol	Remote Code Execution	8.8	0.0243	Exploitation Less Likely

Released the same day

KB4484347
Microsoft Publisher 2013 Service Pack 1 (32-bit editions), Microsoft Publisher 2013 Service Pack 1 (64-bit editions)
KB4493152
Microsoft Publisher 2016 (32-bit edition), Microsoft Publisher 2016 (64-bit edition)
KB5002184
Microsoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition)
KB5002187
Microsoft Word 2013 RT Service Pack 1, Microsoft Word 2013 Service Pack 1 (32-bit editions), Microsoft Word 2013 Service Pack 1 (64-bit editions)
KB5002194
Microsoft SharePoint Server Subscription Edition
KB5002195
Microsoft SharePoint Enterprise Server 2016
KB5002196
Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)
KB5002199
Microsoft Office Web Apps Server 2013 Service Pack 1
KB5002203
Microsoft SharePoint Foundation 2013 Service Pack 1
KB5002204
Microsoft Excel 2013 RT Service Pack 1, Microsoft Excel 2013 Service Pack 1 (32-bit editions), Microsoft Excel 2013 Service Pack 1 (64-bit editions)
KB5002205
Microsoft Office Online Server
KB5002207
Microsoft SharePoint Server 2019

Vendor advisory

https://support.microsoft.com/help/5013944

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