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CVE-2021-35982: Adobe Reader DC Windows Installer Uncontrolled Search Path element could lead to Arbitrary Code Execution

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-29 · updated 2026-06-17
• Weakness: CWE-427

Description

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an Uncontrolled Search Path Element vulnerability. A local attacker with non-administrative privileges can plant a malicious DLL to achieve arbitrary code execution in the context of the current user via DLL hijacking. Exploitation of this issue requires user interaction.

Affected products

• Adobe Acrobat DC: from 20.006.20034 through 21.005.20060; from 20.006.20034 through 21.005.20058; from 20.004.30005 through 20.004.30006; from 17.011.30158 through 17.011.30199
• Adobe Acrobat Reader: from 20.006.20034 through 21.005.20060; from 20.004.30005 through 20.004.30006; from 17.011.30158 through 17.011.30199

References

• https://helpx.adobe.com/security/products/acrobat/apsb21-55.html
• https://helpx.adobe.com/security/products/acrobat/apsb21-55.html

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