Microsoft Office Excel vulnerabilities

180 known CVE vulnerabilities in Microsoft Office Excel, translated and rated.

CVE-2026-97010High
Use-after-free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97009High
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-97008High
Buffer underwrite ('buffer underflow') in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97007High
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97004High
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-97003High
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-88201Medium
A buffer over-read vulnerability in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-88195Medium
A buffer over-read vulnerability in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-88192Medium
An out-of-bounds read vulnerability in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-88190Medium
An out-of-bounds read vulnerability in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-88184Medium
An out-of-bounds read vulnerability in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-88175Medium
An out-of-bounds read vulnerability in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-88172Medium
An out-of-bounds read vulnerability in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-88154Medium
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-88153Medium
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-88151Medium
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-88145High
A heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-77902High
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-70254High
An out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-70219Medium
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-70214Medium
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-69922Medium
An out-of-bounds read vulnerability in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-105718High
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-100212High
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-100211High
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-100210High
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-100209High
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-85875Medium
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-81960High
Heap-based buffer overflow in Microsoft Office Excel. Allows an unauthorized attacker to execute code locally.
CVE-2026-81959High
Heap-based buffer overflow in Microsoft Office Excel. Allows an unauthorized attacker to execute code locally.
CVE-2026-81958Medium
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-81957High
Out-of-bounds read in Microsoft Office Excel. Allows an unauthorized attacker to execute code locally.
CVE-2026-81956High
Out-of-bounds read in Microsoft Office Excel. Allows an unauthorized attacker to execute code locally.
CVE-2026-81954High
Use after free in Microsoft Office Excel. Allows an unauthorized attacker to execute code locally.
CVE-2026-81953High
Stack-based buffer overflow in Microsoft Office Excel. Allows an unauthorized attacker to execute code locally.
CVE-2026-81951High
Heap-based buffer overflow in Microsoft Office Excel. Allows an unauthorized attacker to execute code locally.
CVE-2026-81950High
Double free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81949High
Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81948High
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81947High
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81401Medium
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-81400Medium
Out-of-bounds read vulnerability in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-81399Medium
Buffer over-read vulnerability in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-81398High
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81397High
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81396High
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81395Medium
Out-of-bounds read vulnerability in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-81394Medium
Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-81393Medium
Out-of-bounds read vulnerability in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-81392Medium
Out-of-bounds read vulnerability in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS