Security readout for executives and security teams
Plain-English summary
A malicious file opened in Adobe Audition 25.3 or earlier could cause the application to reveal sensitive information from memory. The attacker must first persuade a user to open the file. The supplied evidence does not indicate code execution, data modification, or service disruption.
Executive priority
Treat this as a moderate, prompt-remediation issue for exposed creative teams. Prioritize internet-facing content workflows and high-sensitivity workstations, but it is less urgent than remotely exploitable code-execution vulnerabilities because successful exploitation requires user action and affects confidentiality only.
Technical view
CVE-2026-21313 is a CWE-125 out-of-bounds read in Adobe Audition. CVSS 3.1 rates it 5.5: local attack vector, low complexity, no privileges, required user interaction, and high confidentiality impact without integrity or availability impact.
Likely exposure
Exposure is most likely on workstations running Audition 25.3 or earlier, particularly where users open externally supplied or untrusted media files. The bundle's structured version data is ambiguous, so inventories should be checked against Adobe's advisory.
Exploitation context
Exploitation requires a victim to open a malicious file locally. The supplied bundle marks the CVE as absent from KEV and provides no evidence of active exploitation or a publicly available exploit.
Researcher notes
The stated weakness and impact align with an out-of-bounds read. However, the bundle says 25.3 and earlier while its structured affected entry lists 0, 25.6, and 26.0 with a default unaffected status. Confirm exact affected and fixed releases through Adobe before final scoping.
Mitigation direction
- Review Adobe's APSB26-14 advisory and apply the vendor-recommended fixed Audition release.
- Prioritize systems where users routinely receive media files from external or untrusted sources.
- Until updated, restrict opening unexpected files and validate their origin through a separate communication channel.
- Use application control or isolation where prompt updating is operationally impractical.
Validation and detection
- Inventory installed Audition versions and identify systems running version 25.3 or earlier.
- Confirm deployed versions against Adobe APSB26-14 because the bundle's structured version entries are ambiguous.
- Verify updates completed successfully through endpoint management and local application version reporting.
- Review controls governing externally supplied files on affected creative workstations.
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-2026-21313 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/audition/apsb26-14.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.
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.