CVE-2021-39842

high-risk
Published 2021-09-29

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 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.

Do I need to act?

!
50.8% chance of exploitation in next 30 days
EPSS score — higher than 49% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Vendors

52
/ 100
high-risk
Severity 24/34 · High
Exploitability 18/34 · Moderate
Exposure 10/34 · Low