high7.0
CVE-2026-44818
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Office Excel allows an unauthorized attacker to execut…
Impact
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | 365 Apps | All versions |
| Microsoft | Excel | Version 2016 |
| Microsoft | Microsoft 365 | All versions |
| Microsoft | Office 2019 | All versions |
| Microsoft | Office 2021 | All versions |
| Microsoft | Office 2024 | All versions |
| Microsoft | Office Online Server | All versions |