Recorded 15 Oct 2026 at 21:30 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.
CVEMicrosoft Security Response Center
Microsoft Office Remote Code Execution Vulnerability
Microsoft Office Remote Code Execution Vulnerability
What it said
- CVE
- CVE-2026-108444
- Severity
- Important
- CVSS base score
- 8.8
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Impact
- Remote Code Execution
- Exploitation detected
- Not reported by MSRC
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
- Component
- Not stated
- Weakness
- CWE-122: Heap-based Buffer Overflow
- Issued by
- Microsoft
- Customer action
- Required: apply the update
- Affected products
- Microsoft 365 Apps for Enterprise for 32-bit Systems, Microsoft 365 Apps for Enterprise for 64-bit Systems, Microsoft Office 365 for Mac, 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 Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024
- Updates that fix it
- No KB listed
- CISA KEV
- Not listed in the collected catalog
- EPSS
- Not scored
- Public exploit code
- No Nuclei template listed
- Published
- 15 Oct 2026 07:00 UTC
- Last revised
- 15 Oct 2026 07:00 UTC
- Revision note
- Information published. This CVE was addressed by updates that were released in October 2026, but the CVE was inadvertently omitted from the October 2026 Security Updates. This is an informational change only. Customers who have already installed the October 2026 updates do not need to take any furt…
Recorded links
Source evidence when recorded
- Microsoft security releases
- Complete at observationRead 15 Oct 2026 at 21:30 UTC
- CISA KEV
- Complete at observationRead 15 Oct 2026 at 21:30 UTC
- FIRST EPSS
- Complete at observationRead 15 Oct 2026 at 21:30 UTC
- Public exploit code
- Complete at observationRead 15 Oct 2026 at 21:30 UTC
Coverage describes the sources at this observation. A complete read then does not establish their current position.
What changed
First observed 15 Oct 2026No field changes in the recorded history.
Cite this recorded revision to keep the same title, summary, facts and links when the page changes.
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