CVE-2026-88175
Microsoft 365 Apps: out-of-bounds read can lead to information disclosure
- Risk score
- 50/100
- CVSS
- 6.5 v3.1
- Exploit chance (30 days)
- 0.8%
- Published
- 13 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
- Affected
- Microsoft 365 Apps
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.5 medium
References
Original description
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Last activity 13 Oct 2026. Patch Forecast updates every hour.