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CVE-2021-39826

Adobe Digital Editions Command Execution Vulnerability

HIGH
8.6
CVSS Score
Published: September 27, 2021 at 03:42 PM UTC
Updated: June 17, 2026 at 04:04 AM UTC
1 product affected across 1 vendorDigital Editions· also runs on 1 platform

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Severity
HIGH8.6
Exploit prediction
EPSS 2%

Description

Adobe Digital Editions 4.5.11.187646 (and earlier) are affected by an arbitrary command execution vulnerability. An authenticated attacker could leverage this vulnerability to execute arbitrary commands. User interaction is required to abuse this vulnerability in that a user must open a maliciously crafted .epub file.

Affected

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

Digital Editions· Adobe
95%
v ≤ 4.5.11.187646
apple-macos (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:

Patch and advisory references

References (1)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://helpx.adobe.com/security/products/Digital-Editions/apsb21-80.html

CVSS

8.6HIGHadobe
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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