High · published January 13, 2026
🚨 A sneaky use-after-free flaw in the Windows Clipboard Server could let an unauthorized attacker elevate their privileges locally—yikes! ⚡ Think of this like a restaurant where the chef leaves the kitchen door unlocked. A hungry patron (the attacker) can just stroll in and access all the fancy chef tools, potentially making a mess of things without permission! If an attacker successfully exploits this vulnerability, they could gain elevated privileges, allowing them to access sensitive system information and perform actions they shouldn't have permission for. This could lead to data breaches or system corruption, causing absolute chaos in your environment!
Think of this like a restaurant where the chef leaves the kitchen door unlocked. A hungry patron (the attacker) can just stroll in and access all the fancy chef tools, potentially making a mess of things without permission! This use-after-free vulnerability occurs when the Clipboard Server fails to properly manage memory, allowing an attacker to manipulate system privileges by exploiting freed memory areas. Since this flaw doesn't require authentication, it is particularly concerning for systems where user access is not tightly monitored.
If an attacker successfully exploits this vulnerability, they could gain elevated privileges, allowing them to access sensitive system information and perform actions they shouldn't have permission for. This could lead to data breaches or system corruption, causing absolute chaos in your environment! To secure your system, ensure you apply the latest patches from Microsoft as soon as they are available. Regularly audit user permissions to prevent unauthorized access, and consider implementing advanced security measures like endpoint protection. Stay vigilant! You've got this! With the right steps, you can lock down your systems and keep those sneaky attackers at bay! 🛡️
| 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_11_24h2 | < 10.0.26100.7623 | 10.0.26100.7623 |
| microsoft/windows_11_25h2 | < 10.0.26200.7623 | 10.0.26200.7623 |
| 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 |
| microsoft/windows_server_2025 | < 10.0.26100.32230 | 10.0.26100.32230 |