CVE-2026-21277 is a high severity vulnerability with a CVSS score of 7.8. No known exploits currently, and patches are available.
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Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
InDesign Desktop versions 21.0, 19.5.5 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.
| Vendor | Product |
|---|---|
| Adobe | Indesign |
| Microsoft | Windows |
| Apple | macOS |