Use After Free in Adobe Acrobat Dc
CVE-2021-40726
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability when processing AcroForm field that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
Vulnerability class: Use-After-Free
EPSS: 0.051 (91.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Adobe Acrobat_dc
- Adobe Acrobat Reader — versions unspecified
- Adobe Acrobat_reader_dc
- Apple Macos
- Microsoft Windows
Weakness classification (CWE)
References
- psirt@adobe.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- psirt@adobe.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-40726?
- CVE-2021-40726 is a high-severity vulnerability in Adobe Acrobat Dc, classified under Use After Free. CVSS score: 7.8/10. Published 2021-10-07.
- How severe is CVE-2021-40726?
- High severity. CVSS v3 base score is 7.8 out of 10.