Vulnerability · Published Jan 13, 2026 · Assigned by adobe
CVE-2026-21278InDesign Desktop | Out-of-bounds Read (CWE-125)
Medium 5.5
In plain English
A medium-severity out-of-bounds read in InDesign Desktop from Adobe. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 86.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
InDesign Desktop versions 21.0, 19.5.5 and earlier are affected by an Out-of-bounds Read vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to access sensitive information stored in memory. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Adobe | InDesign Desktop | 0 – through 21.00 – through 19.5.5 |
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N