CVE-2026-70211

MediumCVSS 5.5/10Last modified Oct 31, 2026

Description

Out-of-bounds read in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

VendorProductVersions
MicrosoftMicrosoft Office 365 for Mac>= 1.0.0, < 16.114.26101123
MicrosoftMicrosoft Office for Android>= 16.0.1, < 16.0.20430.20000
MicrosoftMicrosoft Office LTSC for Mac 2021>= 16.0.1, < 16.114.26101123
MicrosoftMicrosoft Office LTSC for Mac 2024>= 16.0.0, < 16.114.26101123
MicrosoftWindows 10 Version 1607>= 10.0.14393.0, < 10.0.14393.9612
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.9376
MicrosoftWindows 10 Version 21H2>= 10.0.19044.0, < 10.0.19044.7807
MicrosoftWindows 10 Version 22H2>= 10.0.19045.0, < 10.0.19045.7807
MicrosoftWindows 11 version 23H2>= 10.0.22631.0, < 10.0.22631.7652
MicrosoftWindows 11 Version 23H2>= 10.0.22631.0, < 10.0.22631.7652
MicrosoftWindows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.9711
MicrosoftWindows 11 Version 25H2>= 10.0.26200.0, < 10.0.26200.9711
MicrosoftWindows 11 version 26H1>= 10.0.28000.0, < 10.0.28000.3231
MicrosoftWindows 11 Version 26H2>= 10.0.26300.0, < 10.0.26300.9711
MicrosoftWindows Server 2012>= 6.2.9200.0, < 6.2.9200.26434
MicrosoftWindows Server 2012 (Server Core installation)>= 6.2.9200.0, < 6.2.9200.26434
MicrosoftWindows Server 2012 R2>= 6.3.9600.0, < 6.3.9600.23470
MicrosoftWindows Server 2012 R2 (Server Core installation)>= 6.3.9600.0, < 6.3.9600.23470
MicrosoftWindows Server 2016>= 10.0.14393.0, < 10.0.14393.9612
MicrosoftWindows Server 2016 (Server Core installation)>= 10.0.14393.0, < 10.0.14393.9612
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.9376
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.9376
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.5761
MicrosoftWindows Server 2025>= 10.0.26100.0, < 10.0.26100.33650
MicrosoftWindows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.33650

References

Timeline

Published
Oct 13, 2026
Last modified
Oct 31, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-702127.0Improper restriction of communication channel to intended endpoints in Windows Security Center allows an authorized attacker to elevate privCVE-2026-702138.0Origin validation error in Microsoft Power Apps allows an authorized attacker to execute code over a network.CVE-2026-702145.5Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.CVE-2026-702158.8Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.CVE-2026-702165.5Insufficient granularity of access control in Windows Mobile Device Management allows an authorized attacker to perform tampering locally.CVE-2026-702174.9Improper access control in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.CVE-2026-702187.8Insufficient granularity of access control in Windows StateRepository API allows an authorized attacker to elevate privileges locally.CVE-2026-702196.5Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.CVE-2026-70227.3A security vulnerability has been detected in SmythOS sre up to 0.0.15. Affected is the function AgentRuntime of the file packages/core/src/CVE-2026-702207.8Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.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-2026-70211: Medium severity, CVSS 5.5 | Vulnix