CVE-2026-62771

HighCVSS 7.8/10Last modified Aug 16, 2026

Description

Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

Metrics

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

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 11, 2026
Last modified
Aug 16, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-627727.8Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privilegesCVE-2026-627737.0Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.CVE-2026-627747.0Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.CVE-2026-627755.5Incorrect authorization in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information CVE-2026-627767.8Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges loCVE-2026-627777.8Missing authentication for critical function in Windows License Manager allows an authorized attacker to elevate privileges locally.CVE-2026-627788.1Use after free in Windows DNS allows an unauthorized attacker to elevate privileges over a network.CVE-2026-627797.8Use after free in Windows Schannel allows an authorized attacker to elevate privileges locally.CVE-2026-627807.0Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.CVE-2026-627818.1Heap-based buffer overflow in RPC Runtime allows an unauthorized attacker to execute code over a network.CVE-2026-627827.5Out-of-bounds read in Windows SMB Client allows an unauthorized attacker to disclose information over a network.CVE-2026-627837.8Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-62771: High severity, CVSS 7.8 | Vulnix