Security readout for executives and security teams
Plain-English summary
Adobe FrameMaker 2022.8 and earlier can execute attacker-controlled code when a user opens a malicious file. Successful exploitation runs with the victim’s account permissions and could expose, alter, or disrupt data accessible to that user. The supplied evidence does not establish active exploitation.
Executive priority
Treat as a high-priority endpoint remediation issue, especially for publishing, documentation, and content teams. The need for user interaction reduces immediacy versus remotely exploitable flaws, but potential code execution and high impact across confidentiality, integrity, and availability justify prompt inventory, controlled file handling, and vendor-directed remediation.
Technical view
CVE-2026-27298 is a CWE-843 type-confusion vulnerability with CVSS 3.1 score 7.8. It requires local delivery and user interaction, needs no prior privileges, and may cause high confidentiality, integrity, and availability impact through arbitrary code execution in the current user’s context.
Likely exposure
Exposure is concentrated on endpoints running Adobe FrameMaker 2022.8 or earlier, particularly where users receive or open untrusted FrameMaker-compatible files. Systems without FrameMaker, or outside the stated affected versions, are not shown as exposed by the supplied sources.
Exploitation context
An attacker must persuade a victim to open a malicious file. No prior application privileges are required. The bundle reports KEV as false and provides no cited evidence of exploitation in the wild; absence from KEV does not prove exploitation is impossible or absent.
Researcher notes
The supplied record identifies type confusion but does not describe the malformed structure, affected component, root cause, indicators, patch version, or public proof of concept. The affected-range data appears consistent with versions before 2022.9, while the narrative explicitly states 2022.8 and earlier; validate exact boundaries against Adobe APSB26-36.
Mitigation direction
- Inventory Adobe FrameMaker installations and identify versions 2022.8 or earlier.
- Review Adobe advisory APSB26-36 for the supported update or mitigation.
- Prioritize remediation on systems handling externally supplied or untrusted files.
- Restrict untrusted file handling until vendor-recommended remediation is applied.
- Use least-privileged user accounts to limit consequences of successful exploitation.
Validation and detection
- Confirm installed FrameMaker versions through endpoint inventory or software-management records.
- Verify affected installations received the remediation specified in Adobe APSB26-36.
- Re-scan endpoints after remediation and investigate unresolved or unmanaged installations.
- Review email and endpoint telemetry for suspicious FrameMaker file delivery or execution.
- Confirm users cannot bypass controls intended to restrict untrusted document handling.
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-843: 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-2026-27298 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/framemaker/apsb26-36.htmlCVE reference, adobe · vendor-advisory
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.
Access of Resource Using Incompatible Type ('Type Confusion')
Access of Resource Using Incompatible Type ('Type Confusion') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.