CVE-2022-34216: Adobe Acrobat Reader DC PDF Parsing Use-After-Free Remote Code Execution Vulnerability
Adobe Acrobat Reader versions 22.001.20142 (and earlier), 20.005.30334 (and earlier) and 17.012.30229 (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.
Security readout for executives and security teams
Plain-English summary
CVE-2022-34216 is a high-severity Adobe Acrobat Reader flaw that can let a malicious PDF execute code as the logged-in user. It requires someone to open a malicious file, so exposure is mainly desktop users who handle external PDFs.
Executive priority
Treat this as a high-priority workstation patching issue, not an internet-exposed server emergency. Focus on broad endpoint coverage and users likely to receive hostile documents.
Technical view
The issue is a CWE-416 use-after-free in Adobe Acrobat Reader PDF parsing. Affected versions include 22.001.20142 and earlier, 20.005.30334 and earlier, and 17.012.30229 and earlier. CVSS 3.0 is 7.8 with user interaction required and high confidentiality, integrity, and availability impact.
Likely exposure
Organizations are exposed where affected Adobe Acrobat Reader versions remain on endpoints, especially users receiving PDFs by email, downloads, ticketing systems, or document portals.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation evidence. Exploitation requires user interaction: the victim must open a malicious file.
Researcher notes
Evidence is limited to the CVE record and Adobe bulletin reference. The CVSS vector is local attack vector because file opening occurs on the victim system, with no privileges required and user interaction required.
Mitigation direction
Check Adobe APSB22-32 for the vendor-fixed release guidance.
Upgrade affected Acrobat Reader installations to a supported fixed version.
Prioritize users who routinely open external or unsolicited PDFs.
Limit PDF handling from untrusted sources until remediation is complete.
Validation and detection
Inventory endpoints for Acrobat Reader versions at or below affected builds.
Confirm deployments no longer include 22.001.20142, 20.005.30334, or 17.012.30229 and earlier.
Review software management reports for failed or deferred Adobe updates.
Check security controls for alerts involving suspicious PDF delivery or execution.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · low confidence lookup
CWE-416: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
1CVSS vectors
3Timeline events
2ADP providers
2Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-416 · source CWE mapping
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.