CVE-2026-34707
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk7th percentile - higher than 7% of all known CVEs
Summary
InCopy versions 21.3, 20.5.3 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Risk Assessment
Exploitation of this vulnerability could lead to unauthorized access to the system and execution of malicious code, posing a serious threat to the organization's security.
Recommendation
It is recommended to update InCopy to the latest version to mitigate this vulnerability and to avoid opening files from untrusted sources.
Original NVD description (English source)
InCopy versions 21.3, 20.5.3 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.