Out-of-bounds Read in Adobe Acrobat

CVE-2022-34226

Adobe Acrobat Reader versions 22.001.20142 (and earlier), 20.005.30334 (and earlier) and 17.012.30229 (and earlier) are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Vulnerability class: Buffer Overflow

Published · last modified .

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: 0.050 (92.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-34226: held from 0.049 to 0.050.

EPSS over last 30 days · oldest: 0.049 · newest: 0.050 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-34226?
CVE-2022-34226 is a high-severity vulnerability in Adobe Acrobat, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2022-07-15.
How severe is CVE-2022-34226?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-34226 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.