Security readout for executives and security teams
Plain-English summary
Adobe FrameMaker 2022.8 and earlier can expose sensitive memory when a user opens a malicious file. The issue does not permit remote, interaction-free compromise according to the supplied evidence, but targeted documents could disclose confidential information available to the application.
Executive priority
Prioritize normal vulnerability remediation for teams using FrameMaker, with faster action where sensitive documents or external files are routinely handled. The moderate rating reflects meaningful disclosure risk tempered by required user interaction and the absence of cited active exploitation.
Technical view
CVE-2026-27300 is an uninitialized-pointer access weakness (CWE-824) in Adobe FrameMaker. It has CVSS 3.1 score 5.5: local attack vector, low complexity, no privileges, and required user interaction. Impact is limited to high confidentiality loss; no integrity or availability impact is identified.
Likely exposure
Organizations using Adobe FrameMaker 2022.8 or earlier are potentially exposed, especially where users open externally supplied or untrusted documents. Systems without FrameMaker, or running a vendor-confirmed unaffected release, are not indicated as exposed.
Exploitation context
Exploitation requires convincing a victim to open a malicious file. The supplied record is not listed in CISA KEV, and no cited evidence establishes active exploitation or public weaponization. Absence from KEV does not prove exploitation is impossible.
Researcher notes
The supplied narrative identifies 2022.8 and earlier as affected. Structured version data lists endpoints "0" and "2022.9" with a default unaffected status, so exact range semantics should be confirmed against Adobe APSB26-36. Evidence supports memory disclosure only; it does not support code execution, modification, or service disruption.
Mitigation direction
- Inventory Adobe FrameMaker installations and identify versions 2022.8 or earlier.
- Review Adobe advisory APSB26-36 and apply its vendor-designated update or remediation.
- Restrict or quarantine untrusted FrameMaker files until affected installations are remediated.
- Reinforce document-handling controls for unexpected files received through email or external channels.
Validation and detection
- Confirm installed FrameMaker versions using approved software inventory records.
- Verify remediated systems run a release Adobe identifies as unaffected or fixed.
- Check endpoint controls for handling of untrusted FrameMaker documents.
- Review relevant telemetry for suspicious documents opened before remediation, without treating absence of alerts as proof of safety.
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
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CWE-824: Exact CWE lookup
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Open ATT&CK lookupCVE-2026-27300 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/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 Uninitialized Pointer
Access of Uninitialized Pointer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.