Critical (9.8). EPSS 23% chance of exploitation in the next 30 days.
LibreOffice before 5.4.5 and 6.x before 6.0.1 allows remote attackers to read arbitrary files via =WEBSERVICE calls in a document, which use the COM.MICROSOFT.WEBSERVICE function.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
23% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)