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Medium severity4.7NVD Advisory· Published Nov 10, 2026· Updated Nov 10, 2026

CVE-2026-108423

CVE-2026-108423

Description

Out-of-bounds read in Windows WinHTTP allows an authorized attacker to disclose information locally.

Affected products

1

Microsoft/Windows WinHTTPllm-create

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108423nvd

News mentions

1

Microsoft November 2026 Patch Tuesday Fixes 1,093 Vulnerabilities, Including Outlook Zero-Day
Cyber Security News · Nov 10, 2026