CVE-2026-27286

InDesign Desktop | Heap-based Buffer Overflow (CWE-122)

MEDIUM
5.5
CVSS Score
Published: April 14, 2026 at 04:45 PM UTC
Updated: August 28, 2026 at 12:17 AM UTC
1 product affected across 1 vendorInDesign· also runs on 2 platforms

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to disclose sensitive information stored in memory. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 20.5.2v ≤ 21.2v < 20.5.321.0 ≤ v ≤ 21.3
Vendor states this is fixed in 20.5.3 (unaffected)
Vendor states this is fixed in 21.3 (unaffected)
apple-macos (environment) · microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMadobe
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-122

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