Security readout for executives and security teams
Plain-English summary
This is a high-severity Adobe Acrobat Reader flaw that can run attacker-controlled code when a user opens a malicious file. The code runs with the current user's permissions, so business impact depends on user privilege and endpoint controls. The provided sources do not state active exploitation.
Executive priority
Treat this as a standard high-priority endpoint patching issue. It is not documented here as actively exploited, but the impact is full code execution after a user opens a malicious file, making timely remediation important for workstations.
Technical view
CVE-2022-34219 is a CWE-416 use-after-free vulnerability in Adobe Acrobat Reader font parsing. Affected versions include 22.001.20142 and earlier, 20.005.30334 and earlier, and 17.012.30229 and earlier. CVSS v3.0 is 7.8 with user interaction required and high confidentiality, integrity, and availability impact.
Likely exposure
Organizations are exposed where affected Acrobat Reader versions remain installed, especially on user workstations that open external PDF or document files. Exposure is lower where Reader is updated, users lack local admin rights, and attachment/file-opening controls are strong.
Exploitation context
The source bundle says exploitation requires user interaction: a victim must open a malicious file. It can lead to arbitrary code execution as the current user. KEV is false, and the provided sources do not document active exploitation.
Researcher notes
Evidence is limited to the CVE record, CVE List data, and Adobe advisory reference. The bundle does not provide exploit indicators or fixed build numbers. Validate exact product track, installed build, and remediation status against Adobe APSB22-32.
Mitigation direction
- Update Adobe Acrobat Reader according to Adobe APSB22-32 guidance.
- Remove or upgrade Reader versions at or below the affected build thresholds.
- Limit opening of untrusted PDF files from email, web, and chat sources.
- Run users without unnecessary administrative privileges.
- Check Adobe guidance for any additional vendor-recommended controls.
Validation and detection
- Inventory Acrobat Reader versions across managed endpoints.
- Compare installed versions with the affected thresholds in the CVE description.
- Confirm Adobe APSB22-32 remediation has been applied.
- Review endpoint controls for handling untrusted PDF files.
- Check security telemetry for unusual Reader crashes or child-process behavior.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-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.
Open ATT&CK lookupExecution behavior lookup
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.
Open ATT&CK lookupCVE-2022-34219 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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.
SSVC decision data
CVSS vector scores
1 official scoreWe 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.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9adobeVulnerability scoring details
Base CVSS 3.0 score
7.8HighVector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/acrobat/apsb22-32.htmlCVE reference, adobe · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.