SB2026101408 - Out-of-bounds read in Microsoft Office
Published: October 14, 2026
Security Bulletin ID
SB2026101408
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-69922)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to an out-of-bounds read in Microsoft Office Excel when accessing memory. A remote attacker can read small portions of heap memory to disclose sensitive information.
User interaction is required for exploitation.
Remediation
Install update from vendor's website.