CVE-2026-70220

HighCVSS 7.8/10Last modified Oct 15, 2026

Description

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

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-122

Affected software

No affected versions have been published.

Timeline

Published
Oct 13, 2026
Last modified
Oct 15, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-702227.8Relative path traversal in Windows Shell allows an authorized attacker to elevate privileges locally.CVE-2026-702237.0Use after free in Windows Console Driver allows an authorized attacker to elevate privileges locally.CVE-2026-702257.8Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attackerCVE-2026-702275.5Out-of-bounds read in Windows Device Association Service allows an authorized attacker to disclose information locally.CVE-2026-702287.8Out-of-bounds read in Desktop Window Manager allows an authorized attacker to elevate privileges locally.CVE-2026-702298.1Incorrect authorization in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.CVE-2026-70238.8A vulnerability was detected in ByteDance coze-studio up to 0.5.1. Affected by this vulnerability is the function ExecuteSQL of the file bacCVE-2026-702307.0Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally.CVE-2026-702325.5Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose inforCVE-2026-702337.8Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.CVE-2026-702345.5Buffer over-read in Desktop Window Manager allows an authorized attacker to disclose information locally.CVE-2026-702355.5Improper authentication in Windows Event Tracing allows an authorized attacker to perform spoofing locally.
CVE-2026-70220: High severity, CVSS 7.8 | Vulnix