CVE-2026-83511

HighCVSS 7.4/10Last modified Oct 28, 2026

Description

Weak authentication in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-1390

Affected software

No affected versions have been published.

Timeline

Published
Oct 13, 2026
Last modified
Oct 28, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-835137.8Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.CVE-2026-835147.8Heap-based buffer overflow in Windows Partition Management Driver allows an authorized attacker to elevate privileges locally.CVE-2026-835157.5Use of uninitialized resource in RPC Runtime allows an unauthorized attacker to disclose information over a network.CVE-2026-835167.5Out-of-bounds read in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a netwCVE-2026-835179.8Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.CVE-2026-835187.8Heap-based buffer overflow in RPC Runtime allows an authorized attacker to elevate privileges locally.CVE-2026-835199.8Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.CVE-2026-835208.8Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code over a network.CVE-2026-835216.5Out-of-bounds read in Windows IKE Extension allows an authorized attacker to disclose information over a network.CVE-2026-835228.1Reliance on untrusted inputs in a security decision in Windows IKE Extension allows an unauthorized attacker to perform spoofing over a netwCVE-2026-835239.8Heap-based buffer overflow in Windows Image Acquisition allows an unauthorized attacker to execute code over a network.CVE-2026-835249.9A security vulnerability has been detected in RedPort Optimizer wXa-203, Optimizer wXa-213 and Optimizer wXa-223 up to 20260704. This impact
CVE-2026-83511: High severity, CVSS 7.4 | Vulnix