What is CVE-2022-34228?

CVE-2022-34228 is a high-severity vulnerability in Adobe Acrobat, classified under Access of Uninitialized Pointer. CVSS score: 7.8/10. Published 2022-07-15.

How severe is CVE-2022-34228?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Adobe Acrobat

CVE-2022-34228

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 Uninitialized Pointer 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.

Published 2022-07-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.035 (88.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.034 · newest: 0.035 · change: +0.001

Affected products

Adobe Acrobat
Adobe Acrobat Dc
Adobe Acrobat Reader — versions unspecified
Adobe Acrobat Reader
Adobe Acrobat Reader Dc
Apple macOS
Microsoft Windows

Weakness classification (CWE)

CWE-824 — Access of Uninitialized Pointer

References

helpx.adobe.com/security/products/acrobat/apsb22-32.html (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2022-34228?: CVE-2022-34228 is a high-severity vulnerability in Adobe Acrobat, classified under Access of Uninitialized Pointer. CVSS score: 7.8/10. Published 2022-07-15.
How severe is CVE-2022-34228?: High severity. CVSS v3 base score is 7.8 out of 10.