Medium severity5.5NVD Advisory· Published Aug 11, 2026· Updated Aug 13, 2026
CVE-2026-68797
CVE-2026-68797
Description
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Affected products
14- cpe:2.3:a:microsoft:microsoft_365:-:*:*:*:*:macos:*:*
- cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x64:*
cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x86:*+ 6 more
- cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x86:*
- cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x64:*
- cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x86:*
- cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:macos:-:*
- cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x64:*
- cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x86:*
- cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:macos:-:*
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68797nvdPatchVendor Advisory
News mentions
4- Patch Tuesday - August 2026Rapid7 Blog · Aug 11, 2026
- Microsoft Patch Tuesday Update August 2026 – 394 Vulnerabilities Fixed, Including 3 Zero-DaysCyber Security News · Aug 11, 2026
- Microsoft Office Excel: 25 Vulnerabilities Disclosed Together in August Patch TuesdayVypr Intelligence · Aug 11, 2026
- Microsoft Office 2016: 14 Vulnerabilities Including RCE Flaws Disclosed TogetherVypr Intelligence · Aug 11, 2026