CVE-2026-21273
HighCVSS 8.7Exploitation Probability (EPSS)
Low risk41th percentile - higher than 41% of all known CVEs
Summary
An Improper Input Validation vulnerability could result in privilege escalation. A low-privileged attacker could gain unauthorized read and write access. Exploitation requires user interaction – the victim must open a malicious file. Scope is changed.
Risk Assessment
Privilege escalation after opening a malicious file could lead to full system compromise.
Recommendation
Update the software and educate users not to open files from untrusted sources.
Original NVD description (English source)
is affected by an Improper Input Validation vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain unauthorized read and write access. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.