What’s Vulnerable › Vulnerabilities

CVE-2021-42721: Adobe Bridge Use After Free could lead to Arbitrary code execution

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-16 · updated 2026-06-17
• Weakness: CWE-416

Description

Acrobat Bridge versions 11.1.1 and earlier are affected by a use-after-free vulnerability in the processing of Format event actions that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

• Adobe Media Encoder: through 15.4

References

• https://helpx.adobe.com/security/products/bridge/apsb21-94.html
• https://helpx.adobe.com/security/products/bridge/apsb21-94.html

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