Vulnerabilities (CVE)

Filtered by vendor Microsoft Subscribe
Filtered by product Office 2021
Total 465 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2026-55898 1 Microsoft 7 365 Apps, Excel, Microsoft 365 and 4 more 2026-07-15 N/A 6.1 MEDIUM
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-55947 1 Microsoft 7 365 Apps, Excel, Microsoft 365 and 4 more 2026-07-15 N/A 7.8 HIGH
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55949 1 Microsoft 7 365 Apps, Excel, Microsoft 365 and 4 more 2026-07-15 N/A 7.8 HIGH
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-56156 1 Microsoft 4 365 Apps, Microsoft 365, Office 2021 and 1 more 2026-07-15 N/A 7.8 HIGH
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55054 2 Apple, Microsoft 8 Macos, 365 Apps, Excel and 5 more 2026-07-15 N/A 6.5 MEDIUM
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.