What is CVE-2020-9730?

CVE-2020-9730 is a high-severity vulnerability in Adobe Indesign, classified under CWE-788. CVSS score: 7.8/10. Published 2020-09-10.

How severe is CVE-2020-9730?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2020-9730 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Adobe Indesign

CVE-2020-9730

A memory corruption vulnerability exists in InDesign 15.1.1 (and earlier versions). Insecure handling of a malicious indd file could be abused to cause an out-of-bounds memory access, potentially resulting in code execution in the context of the current user.

Published 2020-09-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Adobe Indesign — versions unspecified
Apple macOS

Weakness classification (CWE)

Public proof-of-concept exploits

References

helpx.adobe.com/security/products/indesign/apsb20-52.html (Vendor Advisory)

Frequently asked questions

What is CVE-2020-9730?: CVE-2020-9730 is a high-severity vulnerability in Adobe Indesign, classified under CWE-788. CVSS score: 7.8/10. Published 2020-09-10.
How severe is CVE-2020-9730?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-9730 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.