title: Adobe Acrobat Reader DC AcroForm isDefaultChecked Use-After-Free Remote Code Execution Vulnerability
description: Acrobat Reader DC versions 22.001.20085 (and earlier), 20.005.3031x (and earlier) and 17.012.30205 (and earlier) are affected by a use-after-free vulnerability in the processing of the acroform event 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.
problem types: Use After Free (CWE-416)
affected:
{
product: Acrobat Reader
vendor: Adobe
versions:
lessThanOrEqual: 22.001.20085, status: affected, version: unspecified, versionType: custom
lessThanOrEqual: 20.005.3031x, status: affected, version: unspecified, versionType: custom
lessThanOrEqual: 17.012.30205, status: affected, version: unspecified, versionType: custom
lessThanOrEqual: None, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_0: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 7.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
version: 3.0
]