CVE-2026-83847

HighCVSS 7.8/10Last modified Oct 16, 2026

Description

Heap-based buffer overflow in Microsoft Account 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

CWE-122CWE-190

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Oct 13, 2026
Last modified
Oct 16, 2026
NVD status
Awaiting Analysis

Related CVEs from 2026

CVE-2026-838487.8Untrusted pointer dereference in Windows COM+ Event System Service allows an authorized attacker to elevate privileges locally.CVE-2026-838495.5Out-of-bounds read in Windows Hello allows an authorized attacker to disclose information locally.CVE-2026-83855.3The WP Go Maps WordPress plugin before 10.0.10 does not properly enforce the marker approval filter on the admin-ajax fallback for its dataCVE-2026-838507.8Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.CVE-2026-838518.8Heap-based buffer overflow in Windows Partition Management Driver allows an unauthorized attacker to elevate privileges over a network.CVE-2026-838527.0Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.CVE-2026-838537.0Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.CVE-2026-838545.5Improper access control in Windows Notification allows an authorized attacker to disclose information locally.CVE-2026-838557.5Integer underflow (wrap or wraparound) in Windows WLAN Service allows an unauthorized attacker to deny service over a network.CVE-2026-838568.1Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.CVE-2026-838577.8Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.CVE-2026-838597.8Use after free in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVE-2026-83847: High severity, CVSS 7.8 | Vulnix