High · published November 11, 2025
⚡ A sneaky use-after-free flaw in Microsoft Office could let unauthorized attackers execute code locally—yikes! 🔥 Imagine a restaurant that serves up delicious meals, but one day, a former employee slips in and takes over the kitchen with outdated recipes that shouldn't even be on the menu. This vulnerability gives attackers unwarranted access to your Office files, allowing them to dish out whatever malicious code they want, all under the radar! With this vulnerability, an attacker could run arbitrary code on your system, potentially leading to data theft, system corruption, or even full system takeover. It’s not just a mild annoyance; it’s a full-blown security breach waiting to happen!
Imagine a restaurant that serves up delicious meals, but one day, a former employee slips in and takes over the kitchen with outdated recipes that shouldn't even be on the menu. This vulnerability gives attackers unwarranted access to your Office files, allowing them to dish out whatever malicious code they want, all under the radar! The use-after-free vulnerability in Microsoft Office occurs when memory is freed but then still accessed by the program, allowing attackers to manipulate this memory and execute code unexpectedly. This flaw can be exploited by an unauthorized user who cleverly interacts with the vulnerable component.
With this vulnerability, an attacker could run arbitrary code on your system, potentially leading to data theft, system corruption, or even full system takeover. It’s not just a mild annoyance; it’s a full-blown security breach waiting to happen! To stay safe, immediately update Microsoft Office to the latest version where this issue has been patched. Also, consider implementing stricter access controls to your systems to limit any potential exploits. Don’t let just anyone waltz into your digital kitchen! You’ve got this! By taking these steps, you’ll have your defenses up in no time. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| microsoft/365_apps | all versions | — |
| microsoft/365_apps | all versions | — |
| microsoft/365_copilot | < 16.0.19426.20044 | 16.0.19426.20044 |
| microsoft/excel | all versions | — |
| microsoft/excel | 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 | — |