High ยท published December 9, 2025
โก An unauthorized attacker can execute code locally through a sneaky untrusted pointer dereference in Microsoft Office Excel! ๐ฏ Think of it like an office worker getting access to a confidential file just because they found a loose cable connecting to the server room โ they could cause all sorts of havoc without anyone noticing! This flaw puts your system at risk, allowing attackers to run malicious code as if they were right there in your office. If left unpatched, they could access sensitive data, install malware, or even take full control of your system, leading to chaos! ๐ฅ
Think of it like an office worker getting access to a confidential file just because they found a loose cable connecting to the server room โ they could cause all sorts of havoc without anyone noticing! The untrusted pointer dereference in Microsoft Office Excel means that when Excel handles pointers incorrectly, attackers can exploit this flaw to execute arbitrary code locally, bypassing security protocols.
This flaw puts your system at risk, allowing attackers to run malicious code as if they were right there in your office. If left unpatched, they could access sensitive data, install malware, or even take full control of your system, leading to chaos! ๐ฅ To safeguard your systems, immediately update Microsoft Office Excel to the latest version where this vulnerability is patched. Additionally, ensure to conduct regular security assessments to catch such vulnerabilities before they can be exploited. ๐ก๏ธ You've got this! Stay proactive and secure your systems, and you'll be a security hero in no time! ๐
| 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 | < 16.0.10417.20075 | 16.0.10417.20075 |