CVE-2026-70277

MediumCVSS 5.5/10Last modified Oct 28, 2026

Description

Out-of-bounds read in Windows Fast FAT Driver allows an unauthorized attacker to disclose information locally.

Metrics

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

Weakness enumeration

CWE-125

Affected software

VendorProductVersions
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 28, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-702787.8Heap-based buffer overflow in Microsoft Windows Media Foundation allows an authorized attacker to elevate privileges locally.CVE-2026-702799.3Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attCVE-2026-70284.7A security flaw has been discovered in CodeAstro Online Job Portal 1.0. The affected element is an unknown function of the file /admin/jobs-CVE-2026-702805.5Incorrect authorization in Windows Hello allows an authorized attacker to bypass a security feature locally.CVE-2026-702817.5Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a network.CVE-2026-702828.8Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.CVE-2026-702837.0Incorrect authorization in Windows Win32K allows an authorized attacker to elevate privileges locally.CVE-2026-702845.5Use of uninitialized resource in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.CVE-2026-702857.8Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.CVE-2026-702867.8Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.CVE-2026-702878.8Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.CVE-2026-702885.5Time-of-check time-of-use (toctou) race condition in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information lo
CVE-2026-70277: Medium severity, CVSS 5.5 | Vulnix