EUVD-2026-73855

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

EUVD-2026-73854

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

CVE-2026-81386

Microsoft Office Excel is affected by a heap-based buffer overflow that allows an unauthorized attacker to execute code locally after a user opens 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, re...

CVE-2026-81947

Microsoft Office Excel is affected by a heap-based buffer overflow that allows an unauthorized attacker to execute code locally (CVSS v3.1 score 7.8 HIGH ). The attack requires user interaction (e.g., opening a malicious file) and no prior privileges. Impact spans confidentiality, integrity, and ...

EUVD-2026-73853

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

CVE-2026-81398

CVE-2026-81398 is a heap-based buffer overflow in Microsoft Office Excel that allows an unauthorized attacker to execute code locally. The CVSS v3.1 score is 7.8 (HIGH) with a vector of AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, meaning a local attack with low complexity requires user interaction (e.g....

CVE-2026-81354

CVE-2026-81354 is a heap-based buffer overflow in Windows Hello that allows an authorized local attacker to elevate privileges. The vulnerability carries a CVSS 3.1 score of 8.2 (HIGH) with a changed scope, impacting confidentiality, integrity, and availability at high levels. Attack requirements...

EUVD-2026-73850

Heap-based buffer overflow in Windows Hello allows an authorized attacker to elevate privileges locally...

EUVD-2026-73849

Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally...

EUVD-2026-73848

Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network...

CVE-2026-81353

A heap-based buffer overflow in the HEIF Image Extensions component of the Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally . The vulnerability scores CVSS 7.8 (High) with a local attack vector, low complexity, no required privileges, but user interaction i...

CVE-2026-81352

CVE-2026-81352 is a heap-based buffer overflow in the Microsoft Windows Codecs Library , specifically within Web Media Extensions , that allows an unauthorized attacker to achieve remote code execution over a network. The CVSS 3.1 score is 8.8 (High) , with a vector of AV:N/AC:L/PR:N/UI:R/S:U/C:H...

EUVD-2026-73839

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to disclose information over a network...

EUVD-2026-73840

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network...

CVE-2026-80087

A heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to disclose information over a network , per the CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N) scoring it 6.5 MEDIUM . The CISA SSVC assessment rates exploitation as none , automatability as no , and technica...

CVE-2026-80085

CVE-2026-80085 is a heap-based buffer overflow in Microsoft Office Word that allows an unauthorized attacker to achieve remote code execution over a network. The attack requires user interaction (e.g., opening a crafted document) but no prior authentication, yielding high impact to confidentialit...

EUVD-2026-73834

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network...

CVE-2026-78526

CVE-2026-78526 is a heap-based buffer overflow in Microsoft Office Word that allows an unauthorized attacker to achieve remote code execution over a network. The CVSS 3.1 base score is 8.8 (HIGH) , with an attack vector of network, low complexity, no privileges required, and user interaction requ...

EUVD-2026-73827

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network...

CVE-2026-78521

A heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to achieve remote code execution over a network, rated CVSS 8.8 (HIGH) with vector AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The attack requires user interaction (e.g., opening a malicious document) but no prior auth...