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CVE Record

CVE-2026-21315: Audition | Out-of-bounds Read (CWE-125)

Audition versions 25.3 and earlier are affected by an Out-of-bounds Read vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to access sensitive information stored in memory. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

MediumCVSS 5.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Adobe Audition 25.3 and earlier can expose sensitive information from memory when a user opens a malicious file. The issue does not reportedly alter data or disrupt service, but leaked memory could contain confidential information. Because exploitation requires user action and local file access, the supplied CVSS severity is medium.

Executive priority

Treat this as a normal-priority confidentiality remediation, accelerated for teams handling sensitive data or routinely opening external files. It does not warrant emergency response based on the supplied evidence, but confirmed vulnerable installations should enter the standard patch cycle promptly.

Technical view

CVE-2026-21315 is a CWE-125 out-of-bounds read in Adobe Audition. It has CVSS 3.1 score 5.5 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N), indicating high confidentiality impact without identified integrity or availability impact. The victim must open a malicious file.

Likely exposure

Likely exposure is limited to endpoints running Adobe Audition 25.3 or earlier, particularly where users open files from external or untrusted sources. The bundle’s structured affected-version data is ambiguous, so inventory findings should be checked against Adobe’s advisory.

Exploitation context

The supplied sources do not establish active exploitation, and this CVE is not identified as being in KEV. Exploitation requires a victim to open a malicious file locally. No privileges are required, but user interaction materially reduces opportunistic remote exposure.

Researcher notes

The narrative identifies versions 25.3 and earlier as affected. The structured affected entry lists 0, 25.6, and 26.0 with default status unaffected, without explaining their relationship. Validate authoritative version ranges and remediation directly in Adobe APSB26-14. No exploit details or confirmed exploitation are supplied.

Mitigation direction

  • Review Adobe advisory APSB26-14 for the vendor-supported remediation and affected-version guidance.
  • Prioritize updating or otherwise remediating Audition 25.3 and earlier where confirmed affected.
  • Discourage users from opening unsolicited or untrusted files in Audition.
  • Apply existing email, web, and endpoint controls to quarantine suspicious files.

Validation and detection

  • Inventory installed Adobe Audition versions across managed endpoints.
  • Flag Audition 25.3 and earlier for review against Adobe APSB26-14.
  • Confirm remediation status using software inventory or endpoint-management records.
  • Verify controls warn about or quarantine suspicious files delivered to Audition users.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

CWE-125: Exact CWE lookup

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cve · low confidence lookup

CVE-2026-21315 mapping review

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Vulnerability profileCVE Program record
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

Official CVE source material

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.

1CVSS vectors
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
5.5CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N1.83.6adobe

Vulnerability scoring details

Base CVSS 3.1 score

5.5Medium
CVSS 3.1 vector shape for CVE-2026-21315Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
AdobeAudition0, 25.6, 26.0unaffected
Weakness

CWE details

CWE-125

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.