Security readout for executives and security teams
Plain-English summary
CVE-2022-28259 is an Adobe Acrobat Reader DC file-parsing flaw. A malicious document could cause Reader to read memory beyond an allocated structure, exposing information that may help bypass protections such as ASLR. It requires a user to open the malicious file.
Executive priority
Treat this as a routine but real endpoint patching priority. It is not described as actively exploited, but PDF handling is common and the flaw can weaken memory defenses, so prioritize broad desktop remediation over emergency response.
Technical view
The issue is a CWE-125 out-of-bounds read in Acrobat Reader DC annotation parsing for listed 22.001.2011x, 20.005.3033x, and 17.012.3022x branches and earlier. CVSS 3.1 is 5.5: local attack vector, low complexity, no privileges, required user interaction, high confidentiality impact only.
Likely exposure
Exposure is mainly endpoints where Adobe Acrobat Reader DC is installed and users handle external or untrusted PDF files. Systems without the affected Reader versions are not indicated as affected by the provided sources.
Exploitation context
The sources do not show CISA KEV listing or active exploitation. Exploitation requires a crafted file and user interaction. The practical risk is information disclosure that could support further exploitation, not standalone remote code execution per the provided evidence.
Researcher notes
Evidence supports an annotation parsing out-of-bounds read with confidentiality impact and potential ASLR bypass assistance. The supplied bundle does not provide proof-of-concept details, exploit telemetry, or exact fixed build numbers, so remediation should track Adobe's bulletin directly.
Mitigation direction
- Review Adobe APSB22-16 and apply vendor-recommended updates for affected Acrobat Reader branches.
- Prioritize users who routinely receive external PDFs, such as finance, legal, HR, and customer-facing teams.
- Limit opening of untrusted PDF files until affected installations are remediated.
- Use endpoint controls to reduce exposure to unsolicited document attachments where practical.
Validation and detection
- Inventory Acrobat Reader DC versions across managed endpoints.
- Compare installed versions against the affected branches listed for CVE-2022-28259.
- Confirm remediation status against Adobe APSB22-16 guidance.
- Review email and endpoint controls for handling untrusted PDF attachments.
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-125: 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 lookupCVE-2022-28259 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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:N/A:N1.83.6adobeVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.