Microsoft Office Online Server vulnerabilities

CVE-2026-97771 [HIGH] CWE-416 CVE-2026-97771: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a netw Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-97758 [HIGH] CWE-122 CVE-2026-97758: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-97751 [HIGH] CWE-122 CVE-2026-97751: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-97008 [HIGH] CWE-124 CVE-2026-97008: Buffer underwrite ('buffer underflow') in Microsoft Office Excel allows an unauthorized attacker to Buffer underwrite ('buffer underflow') in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-108446 [HIGH] CWE-416 CVE-2026-108446: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a netw Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-97767 [HIGH] CWE-415 CVE-2026-97767: Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-97778 [HIGH] CWE-190 CVE-2026-97778: Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2020-1446 [HIGH] CVE-2020-1446: A remote code execution vulnerability exists in Microsoft Word software when it fails to properly ha A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory, aka 'Microsoft Word Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1447, CVE-2020-1448.

CVE-2020-1447 [HIGH] CVE-2020-1447: A remote code execution vulnerability exists in Microsoft Word software when it fails to properly ha A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory, aka 'Microsoft Word Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1446, CVE-2020-1448.

CVE-2020-1448 [HIGH] CVE-2020-1448: A remote code execution vulnerability exists in Microsoft Word software when it fails to properly ha A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory, aka 'Microsoft Word Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1446, CVE-2020-1447.

CVE-2018-0922 [HIGH] CWE-787 CVE-2018-0922: Microsoft Office 2010 SP2, 2013 SP1, and 2016, Microsoft Office 2016 Click-to-Run Microsoft Office 2 Microsoft Office 2010 SP2, 2013 SP1, and 2016, Microsoft Office 2016 Click-to-Run Microsoft Office 2016 for Mac, Microsoft Office Compatibility Pack SP2, Microsoft Office Web Apps 2010 SP2, Microsoft Office Web Apps 2013 SP1, Microsoft Office Word Viewer, Microsoft SharePoint Enterprise Server 2013 SP1, Microsoft SharePoint Enterprise Server 2016, Micro

CVE-2026-105718 [HIGH] CWE-20 CVE-2026-105718: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-97755 [HIGH] CWE-125 CVE-2026-97755: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2020-1495 [HIGH] CVE-2020-1495: A remote code execution vulnerability exists in Microsoft Excel software when the software fails to A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affecte

CVE-2018-0797 [HIGH] CWE-787 CVE-2018-0797: Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code executio Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code execution vulnerability due to the way RTF content is handled, aka "Microsoft Word Memory Corruption Vulnerability".

CVE-2020-0850 [HIGH] CVE-2020-0850: A remote code execution vulnerability exists in Microsoft Word software when it fails to properly ha A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory, aka 'Microsoft Word Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0851, CVE-2020-0852, CVE-2020-0855, CVE-2020-0892.

CVE-2018-8628 [HIGH] CVE-2018-8628: A remote code execution vulnerability exists in Microsoft PowerPoint software when the software fail A remote code execution vulnerability exists in Microsoft PowerPoint software when the software fails to properly handle objects in memory, aka "Microsoft PowerPoint Remote Code Execution Vulnerability." This affects Microsoft Office, Office 365 ProPlus, Microsoft PowerPoint, Microsoft SharePoint, Microsoft PowerPoint Viewer, Office Online Server, Microsoft Sha

CVE-2020-1335 [HIGH] CVE-2020-1335: <p>A remote code execution vulnerability exists in Microsoft Excel software when the software fails A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affecte

CVE-2017-0281 [HIGH] CVE-2017-0281: Microsoft Office 2007 SP3, Office 2010 SP2, Office 2013 SP1, Office 2016, Office Online Server 2016, Microsoft Office 2007 SP3, Office 2010 SP2, Office 2013 SP1, Office 2016, Office Online Server 2016, Office Web Apps 2010 SP2,Office Web Apps 2013 SP1, Project Server 2013 SP1, SharePoint Enterprise Server 2013 SP1, SharePoint Enterprise Server 2016, SharePoint Foundation 2013 SP1, Sharepoint Server 2010 SP2, Word 2016, and Skype for Business 2016 allow a remot

CVE-2017-8511 [HIGH] CVE-2017-8511: A remote code execution vulnerability exists in Microsoft Office when the software fails to properly A remote code execution vulnerability exists in Microsoft Office when the software fails to properly handle objects in memory, aka "Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-8509, CVE-2017-8510, CVE-2017-8512, CVE-2017-0260, and CVE-2017-8506.