Medium severity6.5NVD Advisory· Published Sep 8, 2026· Updated Sep 8, 2026
CVE-2026-78503
CVE-2026-78503
Description
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Affected products
1Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78503nvdPatchVendor Advisory
News mentions
1- Massive Microsoft Patch Tuesday September 2026 – 973 Vulnerabilities Fixed, Including 2 Zero-DaysCyber Security News · Sep 8, 2026