CVE-2026-58529 Details
Description
Out-of-bounds read in Active Directory Federation Services (AD FS) allows an authorized attacker to disclose information over a network.
A vulnerability allowing out-of-bounds read has been identified in Active Directory Federation Services (AD FS). This issue allows an authorized attacker to disclose information over the network. The vulnerability affects several versions of Windows 11, both for ARM64-based and x64-based systems.
Users can download the security update for this vulnerability via the Microsoft Update Catalog. For detailed guidance, refer to the Microsoft Knowledge Base article 5101649.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 14, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58529 | [email protected] | Vendor AdvisoryPatch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 11 26h1 | < 10.0.28000.2525 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 16, 2026 | Initial Analysis | [email protected] |
| Jul 14, 2026 | New CVE Received | [email protected] |
| Jul 14, 2026 | CVE Modified | CISA-ADP |