---
id: "CVE-2026-108423"
page: "https://infrastack.ai/live/CVE-2026-108423"
kind: "vulnerability"
aliases: ["CVE-2026-108423"]
title: "Windows WinHTTP: out-of-bounds read leaks memory to a local user"
severity: "medium"
cvss: 4.7
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["infrastructure", "windows", "winhttp"]
not_affected_if: ["no-untrusted-local-users"]
published_at: "2026-11-10T19:18:13+00:00"
first_seen_at: "2026-11-10T19:24:23+00:00"
updated_at: "2026-11-10T20:04:21+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-108423", "first_seen_at": "2026-11-10T19:24:23+00:00"}]
exploit_sources: []
---

# Windows WinHTTP: out-of-bounds read leaks memory to a local user

Link for people: https://infrastack.ai/live/CVE-2026-108423 (this .md is for agents)

A bug in the Windows WinHTTP networking component reads memory beyond its bounds. A signed-in attacker on the same machine can use it to see information from memory they should not reach.

_Summary, check and fix written by a model from the sources; labelled as such._

## Timeline

- 2026-11-10T19:24:23+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-108423

## From the sources

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

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_