CVE Catalog
CVE-2026-44818
HighCVSS 7.0Exploitation Probability (EPSS)
Low risk0.26%
18th percentile - higher than 18% of all known CVEs
Summary
A race condition vulnerability in Microsoft Office Excel due to improper synchronization of shared resources allows an unauthorized attacker to execute code locally.
Risk Assessment
An attacker could exploit this flaw to run malicious code on the victim's machine, potentially leading to system compromise, data theft, or malware installation.
Recommendation
Immediately install the security update provided by Microsoft for Excel. Restrict execution of macros and files from untrusted sources.
Original NVD description (English source)
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.