CVE-2026-110068: Microsoft Office Outlook Remote Code Execution Vulnerability
Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.
Generated by VEDAS. Scores as of 2026-11-11 15:49 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.
What it is
Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
Description quoted from the CVE record (assigned by microsoft, published 2026-11-10).
Weakness: CWE-416: Use After Free
How it can be exploited
Exploitable over the network with low attack complexity needing no privileges and a user must take an action. Impact: confidentiality high, integrity high, availability high. 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
CISA assessment (SSVC): CISA has no evidence of exploitation. Automatable: no. Technical impact: total.
Public exploit evidence (Exploit Observer)
Exploit Observer has no public exploit code naming this CVE. Check Exploit Observer for anything new.
Live scores
- EPSS
- 0.011
some chance of attack soon - VEDAS
- 0.052
little exploit evidence - On CISA KEV
- Not listed
- Detection rule
- No public rule yet
Who is affected
| Product | Affected | Not affected |
|---|---|---|
| Microsoft 365 Apps for Enterprise | from 16.0.1 before https://aka.ms/OfficeSecurityReleases | Not stated |
| Microsoft Office 365 for Mac | from 1.0.0 before 16.115.26110837 | Not stated |
| Microsoft Office LTSC 2021 | from 16.0.1 before 16.0.14334.21048 | Not stated |
| Microsoft Office LTSC 2024 | from 16.0.0 before 16.0.17932.21140 | Not stated |
| Microsoft Office LTSC for Mac 2021 | from 16.0.1 before 16.115.26110837 | Not stated |
| Microsoft Office LTSC for Mac 2024 | from 16.0.0 before 16.115.26110837 | Not stated |
Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.
How to fix it
Fixed versions stated in the CVE record: https://aka.ms/OfficeSecurityReleases, 16.115.26110837, 16.0.14334.21048, 16.0.17932.21140.
Vendor guidance:
- Microsoft Office Outlook Remote Code Execution Vulnerability (vendor-advisory, patch)
How to detect it
There is no open VEDAS detection rule for this bug yet. It is listed on the detection gaps page if CISA has confirmed attacks.
Advisories on this CVE
References
Vendor advisories and patches
- Microsoft Office Outlook Remote Code Execution Vulnerability (vendor-advisory, patch)
Other databases
Where this comes from
This advisory is generated automatically by VEDAS from: CVE.org record, cve-scores (EPSS and VEDAS), Exploit Observer. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.
Supporting partners
