Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT Security Bulletin ASB-2022.0082 Microsoft Patch Tuesday update for Microsoft Office, Office Services and Web Apps for April 2022 13 April 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: 365 Apps for Enterprise Microsoft Excel Microsoft Lync Server 2013 CU10 Microsoft Office Microsoft SharePoint Skype for Business Server Operating System: Windows Resolution: Patch/Upgrade CVE Names: CVE-2022-26911 CVE-2022-26910 CVE-2022-26901 CVE-2022-24473 CVE-2022-24472 Comment: CVSS (Max): 8.0 CVE-2022-24472 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C) CVSS Source: Microsoft Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C OVERVIEW Microsoft has released its monthly security patch update for the month of April 2022. This update resolves 5 vulnerabilities across the following products: [1] Microsoft 365 Apps for Enterprise for 32-bit Systems Microsoft 365 Apps for Enterprise for 64-bit Systems 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) Microsoft Excel 2016 (32-bit edition) Microsoft Excel 2016 (64-bit edition) Microsoft Lync Server 2013 CU10 Microsoft Office 2013 RT Service Pack 1 Microsoft Office 2013 Service Pack 1 (32-bit editions) Microsoft Office 2013 Service Pack 1 (64-bit editions) Microsoft Office 2016 (32-bit edition) Microsoft Office 2016 (64-bit edition) Microsoft Office 2019 for 32-bit editions Microsoft Office 2019 for 64-bit editions Microsoft Office 2019 for Mac Microsoft Office LTSC 2021 for 32-bit editions Microsoft Office LTSC 2021 for 64-bit editions Microsoft Office LTSC for Mac 2021 Microsoft Office Online Server Microsoft Office Web Apps Server 2013 Service Pack 1 Microsoft SharePoint Enterprise Server 2016 Microsoft SharePoint Foundation 2013 Service Pack 1 Microsoft SharePoint Server 2016 Microsoft SharePoint Server 2019 Microsoft SharePoint Server Subscription Edition Skype for Business Server 2015 CU12 Skype for Business Server 2019 CU6 IMPACT Microsoft has given the following details regarding these vulnerabilities. Details Impact Severity CVE-2022-24472 Spoofing Important CVE-2022-24473 Remote Code Execution Important CVE-2022-26901 Remote Code Execution Important CVE-2022-26910 Spoofing Important CVE-2022-26911 Information Disclosure Important MITIGATION Microsoft recommends updating the software with the version made available on the Microsoft Update Catalogue for the following Knowledge Base articles. [1]. KB5002143, KB5002148, KB5002162, KB5002169, KB5002175 KB5002177, KB5002180, KB5002183, KB5002189, KB5002191 KB5012681, KB5012686 REFERENCES [1] Microsoft Security Update Guidance https://portal.msrc.microsoft.com/en-us/security-guidance AusCERT has made every effort to ensure that the information contained in this document is accurate. However, the decision to use the information described is the responsibility of each user or organisation. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYlYngONLKJtyKPYoAQjfTQ/7BYRi/zVvdzvM0a3NgKrn8o1HlkgDOifT CSfpC54piKFLQPuggbyN7EaygtDa6votF0Wm26vDXf3sBGQNZshu2vV+ttTcy75g ECLUvzRykXQfCWpXWY81m/ERsqcxUIdyNYKc8g7D+qjZSSadwWBEqgXqPM2Q4xhM 3Mui6EwRmohjgPja8GW0d8DP2gaZ6jnHtQhpx8tvlNs7dSqHzn+xd+sEqOrDKqAD bSqwpyhYJFv2jXbND26byMjVbHlmjliaOjjkl+dgllIZI32fYovnIBLbt9bBptZo 9D2+vMnlk0lRx2iKC79nvb5WJgjNJFunfratJJ8mOJIxSlwQPG4aQ2YRBDmNgZu+ hoPDkCWCP/myrEdIZyomZihjuvkNtBj95+enHKDmIMEQ+YvfYCSORN4yFlUPGFm5 swENg2RY5lWl5tXHYHJMZC5t/YXtF/AopDhR7PtuByWkU7DkpK271nLdSbShsiZD e5ATn+A0l9IlO05qBPots0Tn9fIXonUwPhQMBRMZEPNr8Hj3CESV7eeJBd6rV+PU CEOI6V0lDCVHxNHE2SIx0kTpaC0nqhJY4WDWPrNykyqTWJ71/HKj4FcmxkvY8Cw0 qzztpHDVmNvWWByG6iJMtWD5jGTQumbOozXQslLDBlmnALInxObC3WtiVcOoTKTA FYorGF2eFw0= =LLVM -----END PGP SIGNATURE-----