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CVE Record

CVE-2026-34636: Premiere Pro | Out-of-bounds Write (CWE-787)

Premiere Pro versions 26.0.2, 25.6.4 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

HighCVSS 7.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

A malicious project or media file opened in Adobe Premiere Pro could corrupt memory and run attacker-controlled code with the victim’s user privileges. This could expose files, alter data, or disrupt the workstation. The victim must open the malicious file, so editors receiving projects or media from external parties face the greatest risk.

Executive priority

Prioritize prompt remediation on editing systems that handle customer, contractor, or internet-sourced files. The vulnerability can compromise a workstation after one user action, although the available evidence does not show active exploitation.

Technical view

CVE-2026-34636 is a CWE-787 out-of-bounds write with CVSS 3.1 score 7.8. It requires local delivery and user interaction but no prior privileges. Successful exploitation could cause arbitrary code execution as the current user, with high confidentiality, integrity, and availability impact.

Likely exposure

Exposure is concentrated on workstations running affected Premiere Pro releases, particularly where users open untrusted or externally supplied files. The description identifies versions 26.0.2, 25.6.4, and earlier; the structured affected-version boundaries require confirmation against Adobe’s advisory.

Exploitation context

Exploitation requires a victim to open a malicious file. The source bundle does not establish active exploitation, and the CVE is not identified as being in KEV. Absence from KEV does not prove exploitation has never occurred.

Researcher notes

The bundle contains potentially inconsistent version data: its narrative says 26.0.2 and 25.6.4 or earlier, while structured records show boundaries at 26.2 and 25.6.5. Validate exact affected and fixed releases against Adobe APSB26-46 before compliance reporting. No exploit mechanics are established by the supplied evidence.

Mitigation direction

  • Update affected installations according to Adobe advisory APSB26-46.
  • Confirm the correct supported release for each installed Premiere Pro version line.
  • Restrict or scrutinize project and media files received from untrusted sources.
  • Use endpoint controls to limit the impact of code running under user privileges.

Validation and detection

  • Inventory Premiere Pro versions across all managed workstations.
  • Compare installed versions with Adobe advisory APSB26-46.
  • Verify updates completed successfully and affected versions are no longer present.
  • Review endpoint telemetry for suspicious activity following externally sourced files.
Prepared
Confidence
medium
Sources
3

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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-787: 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.

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description · low confidence lookup

Execution 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 lookup
cve · low confidence lookup

CVE-2026-34636 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
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

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: total

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
7.8CVSS 3.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9adobe

Vulnerability scoring details

Base CVSS 3.1 score

7.8High
CVSS 3.1 vector shape for CVE-2026-34636Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
AdobePremiere0, 26.2unaffected
AdobePremiere Pro0, 25.6.5unaffected
Weakness

CWE details

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

CWE-787 · source CWE mapping

Out-of-bounds Write

Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.