Security readout for executives and security teams
Plain-English summary
CVE-2026-0533 is a high-severity flaw in Autodesk Fusion desktop 2603.0. A malicious design name can run script when shown in a delete confirmation dialog and clicked, potentially letting the attacker read local files or run code inside Fusion’s process.
Executive priority
Treat this as a priority desktop application patch for engineering and design teams. The business risk is local file exposure or code execution through a user-driven workflow in a trusted design tool, not a known wormable or actively exploited issue based on supplied sources.
Technical view
The issue is stored XSS, CWE-79, caused by unsafe rendering of a crafted HTML payload in a design name during file deletion confirmation. CVSS 3.1 is 8.1, network attack vector, low complexity, no privileges, user interaction required, with high confidentiality and integrity impact.
Likely exposure
Exposure is most likely on endpoints running Autodesk Fusion desktop version 2603.0, especially where users receive, sync, or collaborate on externally influenced design names. The CVE record marks other versions as unaffected by default, but organizations should verify against Autodesk guidance.
Exploitation context
The provided sources require user interaction: the malicious design name must be displayed in the delete confirmation dialog and clicked. The bundle does not cite active exploitation, and KEV status is false. No public exploit details are provided in the supplied evidence.
Researcher notes
Focus analysis on HTML encoding and sanitization of stored design names rendered in native desktop confirmation UI. The vulnerability crosses a metadata-to-local-process boundary. Evidence is limited to Fusion 2603.0 and does not provide exploit artifacts, fixed build numbers, or OS-specific divergence.
Mitigation direction
- Update Autodesk Fusion using Autodesk’s referenced patch installers or advisory guidance.
- Inventory endpoints for Autodesk Fusion desktop version 2603.0.
- Prioritize systems handling shared or externally supplied Fusion designs.
- Advise users not to interact with suspicious design names or deletion dialogs.
- Monitor Autodesk’s advisory for any updated fixed-version details.
Validation and detection
- Confirm installed Fusion versions across managed endpoints.
- Verify patched hosts no longer report Fusion 2603.0 as installed.
- Review Autodesk advisory ADSK-SA-2026-0001 for current remediation status.
- Check EDR logs for unusual Fusion child processes or local file access.
- Validate software deployment coverage for both Windows and macOS installers.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookupExecution 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 lookupCVE-2026-0533 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
- High
- CVSS
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N2.85.2autodeskVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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://dl.appstreaming.autodesk.com/production/installers/Fusion%20Client%20Downloader.exeCVE reference, autodesk · patch
- https://dl.appstreaming.autodesk.com/production/installers/Fusion%20Client%20Downloader.dmgCVE reference, autodesk · patch
- https://www.autodesk.com/trust/security-advisories/adsk-sa-2026-0001CVE reference, autodesk · 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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.