CVE-2024-43609: Microsoft 365 Apps for Enterprise · Information Exposure
Affects Microsoft 365 Apps for EnterpriseSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium : upgrade to 16.0.5469.1001 when convenient.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 2.1% chance of exploitation in 30 days – higher than 81% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers cannot reliably automate steps 1–4 of the kill chain
- Technical impact
- Limited control over the software or limited information exposure
CISA SSVC assessment, 2024-10-08.
- Patch
- Available – fixed in 16.0.5469.1001
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CExploitation evidence
Disclosed: evidence found.
CVE published 8 Oct 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade Microsoft Office 2016 to 16.0.5469.1001.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| MicrosoftMicrosoft 365 Apps for Enterprise | Affected
| Fixed in– |
| MicrosoftMicrosoft Office 2016 | Affected
| Fixed in
|
| MicrosoftMicrosoft Office 2019 | Affected
| Fixed in– |
| MicrosoftMicrosoft Office LTSC 2021 | Affected
| Fixed in– |
| MicrosoftMicrosoft Office LTSC 2024 | Affected
| Fixed in– |
Description
Microsoft Office Spoofing Vulnerability