Recorded 25 Oct 2026 at 17:12 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 Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose information 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)
CISA KEV
Not listed in the collected catalog
EPSS
0.9%; scored 25 Oct 2026
Public exploit code
No Nuclei template listed
Published
8 Sep 2026 07:00 UTC
Last revised
24 Sep 2026 07:00 UTC
Revision note
Updated an acknowledgement. This is an informational change only.
Complete at observationRead 25 Oct 2026 at 17:11 UTC
CISA KEV
Complete at observationRead 25 Oct 2026 at 17:11 UTC
FIRST EPSS
Complete at observationRead 25 Oct 2026 at 17:11 UTC
Public detection templates (Nuclei)
Complete at observationRead 25 Oct 2026 at 17:11 UTC
Coverage describes the sources at this observation. A complete read then does not establish their current position.
What changed
Detection template: Unknown: exploit-code evidence is incomplete or retained → No Nuclei template listed · CISA KEV: Unknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
Detection template: No Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained · CISA KEV: Not listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
Page history
Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.