Microsoft Office Online Server vulnerabilities
🔔 Create alert RSS Version checker
Published CVEs affecting Microsoft Office Online Server: 166 record(s), with affected versions and fixes.cpe:2.3:a:microsoft:office_online_server
CVE-2026-97752
High · 8.8
CWE-416 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97751
High · 8.8
CWE-122 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97750
High · 8.8
CWE-121 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97748
High · 8.8
CWE-122 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97747
High · 8.8
CWE-416 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97746
High · 8.8
CWE-191 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97742
High · 8.8
CWE-121 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97740
Medium · 6.5
CWE-497 Oct 13, 2026
Microsoft Office Excel Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-97739
High · 8.8
CWE-122 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97738
High · 8.8
CWE-416 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97017
High · 8.8
CWE-416 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97010
High · 8.8
CWE-416 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97008
High · 8.8
CWE-124 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Buffer underwrite ('buffer underflow') in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97007
High · 8.8
CWE-122 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97004
High · 8.8
CWE-122 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97003
High · 8.8
CWE-122 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-105718
High · 8.8
CWE-20 Oct 13, 2026
Microsoft Excel Remote Code Execution Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-100212
High · 8.8
CWE-416 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-100210
High · 8.8
CWE-122 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-81956
High · 7.8
CWE-125 Sep 8, 2026
Microsoft Excel Remote Code Execution Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81947
High · 7.8
CWE-122 Sep 8, 2026
Microsoft Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81401
Medium · 5.5
CWE-843 Sep 8, 2026
Microsoft Excel Information Disclosure Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-81390
Medium · 5.5
CWE-125 Sep 8, 2026
Microsoft Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-70328
Medium · 6.5
CWE-125 Aug 11, 2026
Microsoft Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-70327
Medium · 6.5
CWE-125 Aug 11, 2026
Microsoft Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.