Security readout for executives and security teams
Plain-English summary
CVE-2022-28242 is a high-severity Adobe Acrobat Reader DC flaw. A malicious PDF-like file could run code as the logged-in user if opened. Business risk depends on how widely affected Reader versions remain installed and how exposed users are to untrusted documents.
Executive priority
Treat as a priority endpoint patching issue, especially in document-heavy teams. It is not marked as known exploited in the provided sources, but the impact is full code execution under the user account after file opening.
Technical view
The issue is a CWE-416 use-after-free in Acrobat Reader DC annotation handling. Affected versions include 22.001.2011x and earlier, 20.005.3033x and earlier, and 17.012.3022x and earlier. CVSS 3.1 is 7.8 with user interaction required and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely on desktops or VDI images running the listed Acrobat Reader DC versions. Users who receive external PDFs or open downloaded files have higher practical risk. The source bundle does not identify affected server products or non-Reader Adobe products.
Exploitation context
The sources say exploitation requires a victim to open a malicious file. The bundle does not show CISA KEV listing or other evidence of active exploitation, so active exploitation should not be assumed from these sources alone.
Researcher notes
Focus validation on version evidence, patch state, and user-interaction exposure. The source bundle lacks detailed exploit mechanics, fixed build numbers, and telemetry indicators, so avoid claims beyond Adobe’s advisory, CVE metadata, and the provided CVSS/CWE details.
Mitigation direction
- Inventory Acrobat Reader DC versions across managed endpoints.
- Update affected installations using Adobe APSB22-16 guidance.
- Prioritize users handling external or untrusted documents.
- Maintain controls that limit execution under standard user privileges.
- Check vendor guidance for any additional mitigations or fixed versions.
Validation and detection
- Compare installed Reader versions against the affected version ranges.
- Confirm endpoints received the Adobe security update referenced in APSB22-16.
- Review software inventory for legacy 17.x, 20.x, and 22.001.2011x-era builds.
- Verify users are not relying on unsupported or unmanaged Reader installations.
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-2022-28242 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.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.