TI-2026-44933 CVE-2026-62870 · GHSA-vr7p-v768-gfhg
Microsoft Excel Remote Code Execution Vulnerability
Priority MEDIUM 42
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
KB5002877
Security Update
Fixed in
- Microsoft Excel 2016 (32-bit edition) 16.0.5556.1001, 16.0.5561.1001
- Microsoft Excel 2016 (64-bit edition) 16.0.5556.1001, 16.0.5561.1001
Fixes 39 records
TI-2026-32705 CVE-2026-44822 · GHSA-whhp-jpfm-6hhm
Microsoft Excel Information Disclosure Vulnerability
Priority MEDIUM 42
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
TI-2026-42192 CVE-2026-58618 · GHSA-cjqx-7vg8-mm6c
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-40355 CVE-2026-55949 · GHSA-g26f-g9f2-wqvr
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-40354 CVE-2026-55948 · GHSA-vm8w-v83h-8752
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-40353 CVE-2026-55947 · GHSA-px56-54pw-c679
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-40349 CVE-2026-55899 · GHSA-hr7p-25v4-pxc7
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39839 CVE-2026-55141 · GHSA-6236-c2c5-2j6c
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39835 CVE-2026-55137 · GHSA-vh57-7369-46vq
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39834 CVE-2026-55136 · GHSA-q8g8-h36v-wcv9
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39829 CVE-2026-55131 · GHSA-2xhx-8hwj-hj2c
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39765 CVE-2026-55058 · GHSA-fw32-5jmc-676r
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39760 CVE-2026-55053 · GHSA-q5m6-w3x7-pm25
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39755 CVE-2026-55048 · GHSA-wx7g-r7w5-gv3h
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39751 CVE-2026-55044 · GHSA-4mg3-vgrx-mf99
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39748 CVE-2026-55041 · GHSA-7w65-7pmj-m7w2
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39746 CVE-2026-55039 · GHSA-h63h-p87q-mppp
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39744 CVE-2026-55037 · GHSA-9vr8-vg7r-fgf5
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39743 CVE-2026-55036 · GHSA-mp23-5v8j-rg6j
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39738 CVE-2026-55031 · GHSA-88h5-prqr-v67r
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39736 CVE-2026-55029 · GHSA-f28p-7rm3-827g
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39732 CVE-2026-55025 · GHSA-wgfr-mf59-497p
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39731 CVE-2026-55024 · GHSA-gmj3-jv2h-3mhj
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-37359 CVE-2026-50675 · GHSA-p2vq-f9rc-v3c2
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-33244 CVE-2026-45469 · GHSA-9jgc-vw8w-2xv8
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-32706 CVE-2026-44823 · GHSA-69c6-79jc-fjhr
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Numeric truncation error in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-32703 CVE-2026-44820 · GHSA-837c-8j3p-37gw
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-32700 CVE-2026-44817 · GHSA-2p34-ppjg-jr32
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 36
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-40348 CVE-2026-55898 · GHSA-vqrv-f82h-5296
Microsoft Excel Information Disclosure Vulnerability
Priority LOW 32
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
TI-2026-39820 CVE-2026-55122 · GHSA-wqv8-972g-whq4
Microsoft Excel Information Disclosure Vulnerability
Priority LOW 32
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
TI-2026-32701 CVE-2026-44818 · GHSA-grp5-mh23-v8jr
Microsoft Excel Remote Code Execution Vulnerability
Priority LOW 32
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
TI-2026-39761 CVE-2026-55054 · GHSA-959p-g3cm-4rcv
Microsoft Excel Information Disclosure Vulnerability
Priority LOW 31
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
TI-2026-37362 CVE-2026-50678 · GHSA-r583-mmgv-j5q5
Microsoft Excel Information Disclosure Vulnerability
Priority LOW 30
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
TI-2026-39696 CVE-2026-54988 · GHSA-cpg5-9rxq-hxph
Microsoft Excel Information Disclosure Vulnerability
Priority LOW 28
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
TI-2026-39836 CVE-2026-55138 · GHSA-v936-2qfp-r4vf
Microsoft Excel Information Disclosure Vulnerability
Priority LOW 26
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
TI-2026-39753 CVE-2026-55046 · GHSA-jmxw-46f3-mx5p
Microsoft Excel Information Disclosure Vulnerability
Priority LOW 26
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
TI-2026-37147 CVE-2026-50408 · GHSA-99rr-9h5v-ch7f
Microsoft Excel Information Disclosure Vulnerability
Priority LOW 26
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
TI-2026-35937 CVE-2026-48580 · GHSA-pfh5-rjff-pjjg
Microsoft Excel Information Disclosure Vulnerability
Priority LOW 26
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
TI-2026-33230 CVE-2026-45455 · GHSA-mghm-jr32-gfh3
Microsoft Excel Information Disclosure Vulnerability
Priority LOW 21
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.