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

Tue, 11 Aug 2026 17:15:00 +0000

Type Values Removed Values Added
Description Heap-based buffer overflow in Windows SMB Client allows an authorized attacker to elevate privileges locally.
Title Windows SMB Client Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft windows 11 26h1
Weaknesses CWE-122
CPEs cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*
Vendors & Products Microsoft
Microsoft windows 11 26h1
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-12T03:56:12.642Z

Reserved: 2026-07-14T21:08:07.965Z

Link: CVE-2026-62799

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-08-11T17:18:34.180

Modified: 2026-08-11T18:53:55.320

Link: CVE-2026-62799

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.