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Office Online Server

office_online_server

Vendor: Microsoft • 233 CVEs

CVEs (233)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Jan 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
4365 Apps
OfficeOffice Long Term Servicing Channel+1 more
Jun 17, 2026
Jan 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Jan 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Dec 9, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Dec 9, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Dec 9, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Dec 9, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Dec 9, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Nov 11, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Nov 11, 2025
N/A· v4
7.1 HIGH· v3
N/A· v2
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Nov 11, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Nov 11, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Nov 11, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Nov 11, 2025
N/A· v4
7.1 HIGH· v3
N/A· v2
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
1Microsoft
4365 Apps
OfficeOffice Long Term Servicing Channel+1 more
Jun 17, 2026
Oct 14, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
7365 Apps
AccessExcel+4 more
Jun 17, 2026
Oct 14, 2025
N/A· v4
7.1 HIGH· v3
N/A· v2
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Oct 14, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
7365 Apps
AccessExcel+4 more
Jun 17, 2026
Oct 14, 2025
N/A· v4
7.1 HIGH· v3
N/A· v2
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Oct 14, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
Jun 17, 2026
Oct 14, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.