High ยท published October 14, 2025
โก An unauthorized attacker can execute code locally in Microsoft Office Excel, using a crafty type confusion bug! Think of this vulnerability like a restaurant that serves dishes but doesn't check the recipe โ a chef could swap in any ingredient without inspection, leading to unexpected and potentially harmful results! If exploited, this vulnerability could allow an attacker to run their code on your machine, possibly stealing data or installing malware. The consequences could be devastating if sensitive information is exposed or systems are compromised, giving the attacker full control!
Think of this vulnerability like a restaurant that serves dishes but doesn't check the recipe โ a chef could swap in any ingredient without inspection, leading to unexpected and potentially harmful results! This type confusion vulnerability in Microsoft Office Excel allows attackers to manipulate how data types are interpreted, enabling arbitrary code execution when an incompatible type is accessed.
If exploited, this vulnerability could allow an attacker to run their code on your machine, possibly stealing data or installing malware. The consequences could be devastating if sensitive information is exposed or systems are compromised, giving the attacker full control! Update Microsoft Office Excel to the latest version as soon as possible to mitigate this issue. Regularly check for patches and updates to ensure your software remains secure. Moreover, educate users to be cautious with Excel files from unknown sources. You've got this! By staying vigilant and applying the latest updates, you can keep your systems safe and secure! ๐ก๏ธ
| Product | Versions | Fixed in |
|---|---|---|
| microsoft/365_apps | all versions | โ |
| microsoft/365_apps | all versions | โ |
| microsoft/excel | all versions | โ |
| microsoft/excel | all versions | โ |
| microsoft/office | all versions | โ |
| microsoft/office | all versions | โ |
| microsoft/office_long_term_servicing_channel | all versions | โ |
| microsoft/office_long_term_servicing_channel | all versions | โ |
| microsoft/office_long_term_servicing_channel | all versions | โ |
| microsoft/office_long_term_servicing_channel | all versions | โ |
| microsoft/office_long_term_servicing_channel | all versions | โ |
| microsoft/office_long_term_servicing_channel | all versions | โ |
| microsoft/office_online_server | < 16.0.10417.20059 | 16.0.10417.20059 |