Recorded 20 Oct 2026 at 20:53 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position.
See the latest record.
The historical field “Public exploit code” recorded Nuclei detection-template membership. It did not establish exploit availability. The original recorded fields remain below.
The historical “Publicly disclosed: No” field could represent a missing MSRC assessment. It does not establish that the vulnerability was undisclosed. The original recorded fields remain below.
CVEMicrosoft Security Response Center
Microsoft Office Outlook Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
Microsoft 365 Apps for Enterprise for 32-bit Systems, Microsoft 365 Apps for Enterprise for 64-bit Systems, Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions, Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office LTSC 2021 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions, Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Outlook 2016 (32-bit edition), Microsoft Outlook 2016 (64-bit edition)
Updates that fix it
KB5002919: Microsoft Outlook 2016 (32-bit edition), Microsoft Outlook 2016 (64-bit edition)