CVE-2026-81959

A heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally when a user interacts with a crafted file. The CVSS 3.1 score is 7.8 (HIGH) , with a local attack vector, low complexity, no privileges required, and user interaction required, resulting...

CVE-2026-81951

CVE-2026-81951 is a heap-based buffer overflow in Microsoft Office Excel that allows an unauthorized attacker to execute code locally . The vulnerability is scored CVSS 3.1: 7.8 (HIGH) with a local attack vector , low complexity, no privileges required, and user interaction required (i.e., a vict...

EUVD-2026-73876

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-81388

CVE-2026-81388 is a stack-based buffer overflow in Microsoft Office Excel that allows an unauthorized attacker to execute code locally. The attack requires user interaction (e.g., opening a crafted file) and no prior privileges. The CVSS 3.1 score is 7.8 (HIGH) , with high impact to confidentiali...

CVE-2026-81957

CVE-2026-81957 is an out-of-bounds read vulnerability in Microsoft Office Excel that allows an unauthorized, local attacker to execute code on the system. The attack requires user interaction (e.g., opening a crafted file) but no prior privileges. Microsoft rates the CVSS 3.1 score at 7.8 (HIGH) ...

EUVD-2026-73872

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...

CVE-2026-81395

CVE-2026-81395 is an out-of-bounds read in Microsoft Office Excel that allows an unauthorized attacker to disclose information locally. The CVSS 3.1 score is 5.5 (MEDIUM) with a local attack vector, low complexity, no privileges required, and user interaction required, resulting in high confident...

CVE-2026-81960

A heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to achieve local code execution . The vulnerability requires user interaction (e.g., opening a malicious file) but no prior privileges. The assigned CVSS 3.1 score is 7.8 (HIGH) with full impact to confidential...

EUVD-2026-73870

Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...

CVE-2026-81394

CVE-2026-81394 is an information disclosure vulnerability in Microsoft Office Excel . Exposure of sensitive system information to an unauthorized control sphere allows a local, unprivileged attacker to disclose information, provided the target user interacts with a crafted file. The CVSS 3.1 scor...

EUVD-2026-73871

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-81389

CVE-2026-81389 is a heap-based buffer overflow in Microsoft Office Excel that allows an unauthorized attacker to execute code locally. The vulnerability requires user interaction and has a high attack complexity , but no prior privileges are needed. The CVSS 3.1 score is 7.0 (HIGH) with full impa...

EUVD-2026-73869

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-81400

An out-of-bounds read vulnerability in Microsoft Office Excel allows an unauthorized local attacker to disclose information. The CVSS 3.1 score is 5.5 (MEDIUM) with a local attack vector, no privileges required, and user interaction required, resulting in a high impact to confidentiality with no ...

EUVD-2026-73867

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...

CVE-2026-81393

CVE-2026-81393 is an out-of-bounds read vulnerability in Microsoft Office Excel that allows an unauthorized local attacker to disclose information . The CVSS 3.1 score is 5.5 (MEDIUM) , reflecting a local attack vector , no privileges required , but user interaction required (e.g., opening a craf...

CVE-2026-81396

CVE-2026-81396 is a stack-based buffer overflow in Microsoft Office Excel that allows an unauthorized attacker to execute code locally. The vulnerability requires user interaction (e.g., opening a malicious file) but does not require prior privileges, with a CVSS 3.1 score of 7.8 (HIGH) . The pri...

EUVD-2026-73863

Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

EUVD-2026-73864

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...

CVE-2026-81392

CVE-2026-81392 is an out-of-bounds read vulnerability in Microsoft Office Excel that allows an unauthorized, local attacker to disclose information . The CVSS v3.1 score is 5.5 (MEDIUM) with a vector of AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, meaning exploitation requires user interaction and a loca...