Out-of-bounds Read in Adobe Indesign
CVE-2026-27284
InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Vulnerability class: Buffer Overflow
Published · last modified .
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: 0.002 (5.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
References
- helpx.adobe.com/security/products/indesign/apsb26-32.html (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-27284?
- CVE-2026-27284 is a high-severity vulnerability in Adobe Indesign, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2026-04-14.
- How severe is CVE-2026-27284?
- High severity. CVSS v3 base score is 7.8 out of 10.