High · published January 13, 2026
⚡ An authorized user can sneak through the cracks! CVE-2026-20929 in Windows HTTP.sys lets attackers elevate their privileges over the network with just a little finesse. 🚨 Think of this vulnerability like a restaurant where a waiter can wander into the kitchen and access restricted areas just because they have a uniform on. With the right moves, they could potentially serve themselves the chef's special recipe—or worse! If exploited, this vulnerability allows an attacker to gain higher-level access to the system, unlocking doors to sensitive information and critical functions. Imagine a waiter not only accessing the kitchen but taking control of the cash register! This could lead to unauthorized changes, data breaches, and a whole lot of chaos in your network.
Think of this vulnerability like a restaurant where a waiter can wander into the kitchen and access restricted areas just because they have a uniform on. With the right moves, they could potentially serve themselves the chef's special recipe—or worse! This improper access control issue in Windows HTTP.sys enables an authorized attacker to escalate their privileges, granting them more control than intended over the server's resources.
If exploited, this vulnerability allows an attacker to gain higher-level access to the system, unlocking doors to sensitive information and critical functions. Imagine a waiter not only accessing the kitchen but taking control of the cash register! This could lead to unauthorized changes, data breaches, and a whole lot of chaos in your network. To secure your systems, ensure that you're running the latest patches for Windows that address this vulnerability. Review user permissions and restrict access to sensitive resources to those who genuinely need it. Don't wait—act now to lock down your environment! You've got this! Take these steps, and you'll have your defenses up in no time! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| microsoft/windows_10_1607 | < 10.0.14393.8783 | 10.0.14393.8783 |
| microsoft/windows_10_1607 | < 10.0.14393.8783 | 10.0.14393.8783 |
| microsoft/windows_10_1809 | < 10.0.17763.8276 | 10.0.17763.8276 |
| microsoft/windows_10_1809 | < 10.0.17763.8276 | 10.0.17763.8276 |
| microsoft/windows_10_21h2 | < 10.0.19044.6809 | 10.0.19044.6809 |
| microsoft/windows_10_22h2 | < 10.0.19045.6809 | 10.0.19045.6809 |
| microsoft/windows_11_23h2 | < 10.0.22631.6491 | 10.0.22631.6491 |
| microsoft/windows_server_2008 | all versions | — |
| microsoft/windows_server_2008 | all versions | — |
| microsoft/windows_server_2008 | all versions | — |
| microsoft/windows_server_2012 | all versions | — |
| microsoft/windows_server_2012 | all versions | — |
| microsoft/windows_server_2016 | < 10.0.14393.8783 | 10.0.14393.8783 |
| microsoft/windows_server_2019 | < 10.0.17763.8276 | 10.0.17763.8276 |
| microsoft/windows_server_2022 | < 10.0.20348.4648 | 10.0.20348.4648 |
| microsoft/windows_server_2022_23h2 | < 10.0.25398.2092 | 10.0.25398.2092 |