Microsoft Outlook

21 CVEs affecting Microsoft Outlook. Latest disclosed: 2026-05-12. Critical: 0, High: 11.

Top CVEs affecting Microsoft Outlook
CVESeverityScorePublishedSummary
CVE-2024-30103High8.82024-06-11Microsoft Outlook Remote Code Execution Vulnerability
CVE-2025-21361High7.82025-01-14Microsoft Outlook Remote Code Execution Vulnerability
CVE-2017-8663High7.82017-08-01Microsoft Outlook 2007 SP3, Outlook 2010 SP2, Outlook 2013 SP1, Outlook 2013 RT SP1, and Outlook 2016 as packaged in Microsoft Office allows a remote code exec…
CVE-2017-8571High7.82017-08-01Microsoft Outlook 2007 SP3, Outlook 2010 SP2, Outlook 2013 SP1, Outlook 2013 RT SP1, and Outlook 2016 as packaged in Microsoft Office allows a security feature…
CVE-2017-8507High7.82017-06-15A remote code execution vulnerability exists in the way Microsoft Office software parses specially crafted email messages, aka "Microsoft Office Memory Corrupt…
CVE-2017-8506High7.82017-06-15A remote code execution vulnerability exists in Microsoft Office when the software fails to properly handle objects in memory, aka "Office Remote Code Executio…
CVE-2017-0106High7.82017-04-12Microsoft Excel 2007 SP3, Microsoft Outlook 2010 SP2, Microsoft Outlook 2013 SP1, and Microsoft Outlook 2016 allow remote attackers to execute arbitrary code o…
CVE-2016-3278High7.82016-07-13Microsoft Outlook 2010 SP2, 2013 SP1, 2013 RT SP1, and 2016 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Off…
CVE-2017-11776High7.52017-10-13Microsoft Outlook 2016 allows an attacker to obtain the email content of a user, due to how Outlook 2016 discloses user email content, aka "Microsoft Outlook I…
CVE-2026-42893High7.42026-05-12Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to perform tampering over a…
CVE-2024-42220High7.12024-12-18A library injection vulnerability exists in Microsoft Outlook 16.83.3 for macOS. A specially crafted library can leverage Outlook's access privileges, leading…
CVE-2017-8545Medium6.52017-06-15A spoofing vulnerability exists in when Microsoft Outlook for Mac does not sanitize html properly, aka "Microsoft Outlook for Mac Spoofing Vulnerability".
CVE-2017-0207Medium6.52017-04-12Microsoft Outlook for Mac 2011 allows remote attackers to spoof web content via a crafted email with specific HTML tags, aka "Microsoft Browser Spoofing Vulner…
CVE-2016-3366Medium6.52016-09-14Microsoft Outlook 2007 SP3, Outlook 2010 SP2, Outlook 2013 SP1, Outlook 2013 RT SP1, Outlook 2016, and Outlook 2016 for Mac do not properly implement RFC 2046…
CVE-2017-8572Medium5.52017-08-01Microsoft Outlook 2007 SP3, Outlook 2010 SP2, Outlook 2013 SP1, Outlook 2013 RT SP1, and Outlook 2016 as packaged in Microsoft Office allows an information dis…
CVE-2017-8508Medium5.52017-06-15A security feature bypass vulnerability exists in Microsoft Office software when it improperly handles the parsing of file formats, aka "Microsoft Office Secur…
CVE-2017-0204Medium5.52017-04-12Microsoft Outlook 2007 SP3, Microsoft Outlook 2010 SP2, Microsoft Outlook 2013 SP1, and Microsoft Outlook 2016 allow remote attackers to bypass the Office Prot…
CVE-2013-39052013-11-13Microsoft Outlook 2007 SP3, 2010 SP1 and SP2, 2013, and 2013 RT does not properly expand metadata contained in S/MIME certificates, which allows remote attacke…
CVE-2013-38702013-09-11Double free vulnerability in Microsoft Outlook 2007 SP3 and 2010 SP1 and SP2 allows remote attackers to execute arbitrary code by including many nested S/MIME…
CVE-2010-27282010-09-15Heap-based buffer overflow in Microsoft Outlook 2002 SP3, 2003 SP3, and 2007 SP2, when Online Mode for an Exchange Server is enabled, allows remote attackers t…