CVE-2026-34702
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk7th percentile - higher than 7% of all known CVEs
Summary
Stack-based buffer overflow vulnerability in InDesign Desktop versions 21.3, 20.5.3 and earlier. Could lead to arbitrary code execution in the context of the current user after opening a malicious file.
Risk Assessment
An attacker could take control of the victim's system if they open a crafted file.
Recommendation
Update InDesign Desktop to the latest available version.
Other vulnerabilities in InDesign Desktop
See all- CVE-2026-84396Medium
InDesign Desktop is affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation requires user interaction in that a victim must open a malicious file.
- CVE-2026-76192Medium
InDesign Desktop is affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation requires user interaction in that a victim must open a malicious file.
- CVE-2026-48293High
InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by an out-of-bounds write vulnerability that could lead to arbitrary code execution in the context of the current user. User interaction is required (opening a malicious file).
- CVE-2026-34701High
A heap-based buffer overflow vulnerability in InDesign Desktop allows remote code execution in the context of the current user. User interaction is required to open a malicious file.
- CVE-2026-34700High
InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by an out-of-bounds write vulnerability that could lead to arbitrary code execution in the context of the current user. User interaction is required (opening a malicious file).
- CVE-2026-34699High
A heap-based buffer overflow vulnerability in InDesign Desktop allows remote code execution in the context of the current user. User interaction is required to open a malicious file.
- CVE-2026-34698High
A heap-based buffer overflow vulnerability in InDesign Desktop allows remote code execution in the context of the current user. User interaction is required to open a malicious file.
- CVE-2026-34697High
A stack-based buffer overflow vulnerability in InDesign Desktop allows remote code execution in the context of the current user. User interaction is required to open a malicious file.
- CVE-2026-34696High
InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by a Use After Free vulnerability. This could allow arbitrary code execution in the context of the current user after opening a malicious file.
- CVE-2026-34695High
A stack-based buffer overflow vulnerability in InDesign Desktop allows remote code execution in the context of the current user. User interaction is required to open a malicious file.
Original NVD description (English source)
InDesign Desktop 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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

