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CVE-2021-43019: Adobe Creative Cloud Incorrect Permission Assignment Privilege Escalation Vulnerability

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-23 · updated 2026-06-17
• Weakness: CWE-732

Description

Adobe Creative Cloud version 5.5 (and earlier) are affected by a privilege escalation vulnerability in the resources leveraged by the Setup.exe service. An unauthenticated attacker could leverage this vulnerability to remove files and escalate privileges under the context of SYSTEM . An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability on the product installer. User interaction is required before product installation to abuse this vulnerability.

Affected products

• Adobe Creative Cloud (desktop component): through 5.5

References

• https://helpx.adobe.com/security/products/creative-cloud/apsb21-111.html
• https://helpx.adobe.com/security/products/creative-cloud/apsb21-111.html

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