CVE-2026-34708
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk7th percentile - higher than 7% of all known CVEs
Summary
Adobe InCopy versions 21.3, 20.5.3 and earlier are affected by a stack-based buffer overflow vulnerability that could allow arbitrary code execution in the context of the current user.
Risk Assessment
An attacker could exploit this vulnerability by tricking a victim into opening a malicious file, potentially leading to system compromise, data theft, or malware installation.
Recommendation
Update Adobe InCopy to the latest version immediately. Until the update is applied, avoid opening files from untrusted sources.
Other vulnerabilities in Adobe InCopy
See all- CVE-2026-34631High
An out-of-bounds write vulnerability in Adobe InCopy versions 20.5.2, 21.2 and earlier. It could allow arbitrary code execution in the context of the current user. Exploitation requires user interaction – opening a malicious file.
- CVE-2026-21281High
InCopy versions 21.0, 19.5.5 and earlier are affected by a heap-based buffer overflow that could allow arbitrary code execution in the context of the current user. Exploitation requires user interaction, such as opening a malicious file.
Original NVD description (English source)
InCopy versions 21.3, 20.5.3 and earlier are affected by a Stack-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.