CVE-2025-53732
High
Description
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Microsoft Office
PublishedAug 12, 2025
First seenAug 12, 2025
Weakness typeCWE-122CWE-122
How to fix
Update
- microsoft office16.0.14326.22618 or later
- microsoft 365_copilot16.0.19127.20000 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft office | v < 16.0.14326.22618 | 16.0.14326.22618 |
| microsoft 365_copilot | v < 16.0.19127.20000 | 16.0.19127.20000 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.