CVE-2022-34221

Name: CVE-2022-34221
Creator: NVD / NIST
Published: 2022-07-15T16:15:12.853+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 10.83%

Last modified Jun 17, 2026

CVE-2022-34221 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Adobe Acrobat Reader versions 22.001.20142 (and earlier), 20.005.30334 (and earlier) and 17.012.30229 (and earlier) are affected by an Access of Resource Using Incompatible Type ('Type Confusion') 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.. EPSS estimates a 10.83% chance of exploitation in the next 30 days.

Description

Adobe Acrobat Reader versions 22.001.20142 (and earlier), 20.005.30334 (and earlier) and 17.012.30229 (and earlier) are affected by an Access of Resource Using Incompatible Type ('Type Confusion') 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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

10.83%

95.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-843

Affected Software

Vendor	Product	Versions
Adobe	Acrobat Dc	>= 15.008.20082, <= 22.001.20142
Adobe	Acrobat Reader Dc	>= 15.008.20082, <= 22.001.20142
Adobe	Acrobat	>= 20.001.30005, <= 20.005.30334
Adobe	Acrobat Reader	>= 20.001.30005, <= 20.005.30334
Adobe	Acrobat	>= 20.001.30005, <= 20.005.30331
Adobe	Acrobat Reader	>= 20.001.30005, <= 20.005.30331
Adobe	Acrobat	>= 17.011.30059, <= 17.012.30229
Adobe	Acrobat Reader	>= 17.011.30059, <= 17.012.30229
Adobe	Acrobat	>= 17.011.30059, <= 17.012.30227
Adobe	Acrobat Reader	>= 17.011.30059, <= 17.012.30227

References

https://helpx.adobe.com/security/products/acrobat/apsb22-32.htmlRelease Notes, Vendor Advisory
https://helpx.adobe.com/security/products/acrobat/apsb22-32.htmlRelease Notes, Vendor Advisory

Timeline

Published: Jul 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-34221?

How severe is CVE-2022-34221?

CVE-2022-34221 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 10.83% probability of exploitation in the next 30 days.

How do I fix CVE-2022-34221?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-34221?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST