High · published July 15, 2019
CVSS calls it high at 7.8. It is confirmed in active exploitation. It sits in the 77.3th percentile for exploit probability.
🚨 A crafty handling of hard links is all it takes for an attacker to elevate their privileges on your Windows system! ⚡ Think of it like a hotel that gives out master keys without verifying the guest's identity—suddenly, anyone can access any room! Just as that could lead to chaos, this vulnerability allows unauthorized access to sensitive areas of the operating system. An attacker could exploit this vulnerability to gain elevated privileges, allowing them to install malicious software, access sensitive data, or even take control of the entire system. This could lead to absolute mayhem, with potential data breaches and system compromises lurking around every corner!
Think of it like a hotel that gives out master keys without verifying the guest's identity—suddenly, anyone can access any room! Just as that could lead to chaos, this vulnerability allows unauthorized access to sensitive areas of the operating system. This elevation of privilege vulnerability is due to the Windows AppX Deployment Service (AppXSVC) mishandling hard links, allowing attackers to gain higher access levels than intended, bypassing security controls.
An attacker could exploit this vulnerability to gain elevated privileges, allowing them to install malicious software, access sensitive data, or even take control of the entire system. This could lead to absolute mayhem, with potential data breaches and system compromises lurking around every corner! Immediately apply the security update that addresses this vulnerability. If you're unable to patch right away, consider restricting access to the AppX Deployment Service as a temporary measure to minimize risk until the update can be implemented. Be sure to audit your systems for signs of exploitation! You can tackle this vulnerability head-on! Patch your systems promptly, and you'll be back on track in no time! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| microsoft/windows_10_1507 | all versions | — |
| microsoft/windows_10_1507 | all versions | — |
| microsoft/windows_10_1607 | all versions | — |
| microsoft/windows_10_1607 | all versions | — |
| microsoft/windows_10_1703 | all versions | — |
| microsoft/windows_10_1703 | all versions | — |
| microsoft/windows_10_1709 | all versions | — |
| microsoft/windows_10_1709 | all versions | — |
| microsoft/windows_10_1709 | all versions | — |
| microsoft/windows_10_1803 | all versions | — |
| microsoft/windows_10_1803 | all versions | — |
| microsoft/windows_10_1803 | all versions | — |
| microsoft/windows_10_1809 | all versions | — |
| microsoft/windows_10_1809 | all versions | — |
| microsoft/windows_10_1809 | all versions | — |
| microsoft/windows_10_1903 | all versions | — |
| microsoft/windows_10_1903 | all versions | — |
| microsoft/windows_10_1903 | all versions | — |
| microsoft/windows_8.1 | all versions | — |
| microsoft/windows_rt_8.1 | all versions | — |
| microsoft/windows_server_1803 | all versions | — |
| microsoft/windows_server_1903 | all versions | — |
| microsoft/windows_server_2012 | all versions | — |
| microsoft/windows_server_2012 | all versions | — |
| microsoft/windows_server_2016 | all versions | — |
| microsoft/windows_server_2019 | all versions | — |