Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
The CVSS severity warrants an early asset and exposure review.
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Confirm exposure before applying a vendor-supported change.
Confirm that Microsoft Microsoft 365 Apps for Enterprise, Microsoft Excel 2016, Microsoft Office 2019 and an affected version are present.
Combine exploitation signals with asset exposure and business criticality.
Follow the vendor advisory or supported update path and preserve rollback options.
Recheck the version, service health, access paths, and relevant logs.
