High · published November 11, 2025
⚡ An unauthorized attacker can potentially snoop on your local files thanks to an out-of-bounds read in Microsoft Office Excel! Think of it like a restaurant where a waiter accidentally leaves the door to the kitchen ajar, allowing anyone passing by to peek at confidential recipes—yikes! This vulnerability could expose sensitive information from your Excel files, allowing attackers to gather data that could lead to further exploits. Imagine someone gaining access to your private financial reports or confidential client data—definitely not what you want!
Think of it like a restaurant where a waiter accidentally leaves the door to the kitchen ajar, allowing anyone passing by to peek at confidential recipes—yikes! The out-of-bounds read flaw in Microsoft Office Excel occurs when an attacker can access memory outside the intended buffer, potentially leaking information stored in memory without authorization.
This vulnerability could expose sensitive information from your Excel files, allowing attackers to gather data that could lead to further exploits. Imagine someone gaining access to your private financial reports or confidential client data—definitely not what you want! To mitigate this risk, ensure that you're running the latest version of Microsoft Office and apply any available security patches. Regularly review your security settings and consider restricting file access to sensitive documents. Stay vigilant! You've got this! Follow these steps, and you'll keep those unwanted snoopers at bay! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| microsoft/365_apps | all versions | — |
| microsoft/365_apps | all versions | — |
| microsoft/excel | all versions | — |
| microsoft/excel | all versions | — |
| microsoft/office | all versions | — |
| microsoft/office | all versions | — |
| microsoft/office_long_term_servicing_channel | all versions | — |
| microsoft/office_long_term_servicing_channel | all versions | — |
| microsoft/office_long_term_servicing_channel | all versions | — |
| microsoft/office_long_term_servicing_channel | all versions | — |
| microsoft/office_long_term_servicing_channel | all versions | — |
| microsoft/office_long_term_servicing_channel | all versions | — |
| microsoft/office_online_server | < 16.0.10417.20068 | 16.0.10417.20068 |