Security readout for executives and security teams
Plain-English summary
This flaw lets a malicious PDF potentially run code when opened in affected Adobe Acrobat Reader DC versions. It needs user interaction, but PDF handling is common in business workflows, so phishing or document-sharing scenarios are the main concern.
Executive priority
Treat as a high-priority endpoint patching item, especially for teams that frequently receive external PDFs. The risk is meaningful because compromise can follow ordinary document-opening behavior, but current source evidence does not prove active exploitation.
Technical view
CVE-2022-28234 is a heap-based buffer overflow in Acrobat Reader DC caused by insecure handling of a crafted PDF. CVSS 3.1 is 7.8 with local attack vector, no privileges required, user interaction required, and high confidentiality, integrity, and availability impact.
Likely exposure
Organizations are exposed where users run Acrobat Reader DC 22.001.20085 or earlier, 20.005.3031x or earlier, or 17.012.30205 or earlier and open PDFs from email, browsers, portals, or external partners.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation evidence. Exploitation requires a victim to open a crafted PDF, with potential code execution in the current user context.
Researcher notes
Evidence supports CWE-122 heap overflow and user-assisted RCE in the current user context. The bundle does not provide exploit indicators, proof-of-concept status, or detailed fixed build mapping beyond Adobe’s linked bulletin.
Mitigation direction
- Review Adobe APSB22-16 for the vendor-approved update path.
- Update Acrobat Reader DC beyond the affected versions listed by Adobe/CVE.
- Prioritize systems used to open external or untrusted PDFs.
- Limit PDF handling on high-risk endpoints until patched.
- Use mail and web controls to reduce suspicious PDF delivery.
Validation and detection
- Inventory installed Acrobat Reader DC versions across managed endpoints.
- Flag versions at or below 22.001.20085, 20.005.3031x, or 17.012.30205.
- Confirm patch status against Adobe APSB22-16 guidance.
- Review endpoint telemetry for suspicious PDF-open events where available.
- Verify users handling external PDFs are covered by updates.
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-122: 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-2022-28234 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 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9adobeVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/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/apsb22-16.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.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.