Security readout for executives and security teams
Plain-English summary
A malicious file can crash vulnerable Adobe Illustrator desktop versions when a user opens it. The documented impact is loss of application availability, not data theft or modification. This creates disruption and potential lost work, but requires user interaction.
Executive priority
Treat this as a routine but timely endpoint update. Prioritize creative teams handling external submissions because successful exploitation can interrupt work and cause lost productivity. Emergency incident response is not supported by the supplied evidence.
Technical view
CVE-2026-34662 is a CWE-476 NULL pointer dereference affecting Illustrator 2025 versions through 29.8.6 and Illustrator 2026 versions through 30.3. Opening a malicious file can terminate the application. CVSS 3.1 is 5.5: local attack vector, low complexity, no privileges, required user interaction, and high availability impact only.
Likely exposure
Exposure is limited to endpoints running affected Illustrator desktop versions. Risk is greater where users routinely open artwork from external, untrusted, or weakly controlled sources. The supplied evidence does not identify affected file formats, operating systems, or server-side exposure.
Exploitation context
Exploitation requires a victim to open a malicious file. The CVE is not listed in KEV, and the supplied sources provide no evidence of active exploitation or a public exploit. No confidentiality or integrity impact is documented.
Researcher notes
The documented weakness is CWE-476 and the outcome is application denial-of-service. The bundle does not identify the vulnerable component, triggering file format, crash signature, proof of concept, or root-cause details beyond a NULL pointer dereference. Avoid inferring code execution from this record.
Mitigation direction
- Update Illustrator 2025 to version 29.8.7 or later.
- Update Illustrator 2026 to version 30.4 or later.
- Prioritize systems whose users receive Illustrator files from external sources.
- Until updated, discourage opening unexpected files and verify their sender and business purpose.
Validation and detection
- Inventory installed Illustrator editions and exact version numbers.
- Identify Illustrator 2025 versions through 29.8.6 and 2026 versions through 30.3.
- Confirm managed update tools report version 29.8.7, 30.4, or later.
- Review application crash telemetry for unusual Illustrator failures after external files were opened.
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-476: 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-2026-34662 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:N/I:N/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:N/I:N/A:H1.83.6adobeVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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/illustrator/apsb26-51.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.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.