CVE-2026-0533
Published: 22 January 2026
Summary
CVE-2026-0533 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Autodesk Fusion. Its CVSS base score is 7.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Client Execution (T1203); ranked at the 6.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Stored XSS in desktop app design file enables client-side code execution after user opens file and interacts with dialog (T1203 Exploitation for Client Execution + T1204.002 Malicious File).
NVD Description
A maliciously crafted HTML payload in a design name, when displayed during the delete confirmation dialog and clicked by a user, can trigger a Stored Cross-site Scripting (XSS) vulnerability in the Autodesk Fusion desktop application. A malicious actor may leverage…
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this vulnerability to read local files or execute arbitrary code in the context of the current process.
Deeper analysisAI
CVE-2026-0533 is a Stored Cross-site Scripting (XSS) vulnerability, mapped to CWE-79, in the Autodesk Fusion desktop application. The flaw occurs when a maliciously crafted HTML payload is embedded in a design name and subsequently displayed within the delete confirmation dialog. User interaction with this dialog by clicking the payload triggers the XSS execution.
Attackers with local access can exploit this vulnerability with low complexity and no required privileges, though user interaction is necessary. A malicious actor crafts a design file containing the HTML payload in its name and shares it with a target user. When the victim loads the design in Autodesk Fusion and attempts to delete it, the confirmation dialog renders the payload; clicking it enables the attacker to read local files or execute arbitrary code within the context of the Fusion process. The CVSS v3.1 base score is 7.1 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N).
Autodesk has published security advisory adsk-sa-2026-0001 addressing the vulnerability. Patched versions of the Fusion Client are available via dedicated downloaders for macOS (Fusion Client Downloader.dmg) and Windows (Fusion Client Downloader.exe).
Details
- CWE(s)