CVE-2026-0535
Published: 22 January 2026
Summary
CVE-2026-0535 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 Taint Shared Content (T1080); ranked at the 7.0th 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 enables tainting shared component descriptions (T1080) that trigger client-side code execution when clicked (T1203/T1204.002).
NVD Description
A maliciously crafted HTML payload, stored in a component’s description 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 this vulnerability to read local files…
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or execute arbitrary code in the context of the current process.
Deeper analysisAI
CVE-2026-0535 is a Stored Cross-site Scripting (XSS) vulnerability, classified under CWE-79, affecting the Autodesk Fusion desktop application. Published on 2026-01-22, it carries a CVSS v3.1 base score of 7.1 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N). The flaw occurs when a maliciously crafted HTML payload is stored in a component’s description and subsequently clicked by a user, triggering the XSS execution.
An attacker with the ability to store content in a component’s description can craft and inject the malicious HTML payload. Exploitation requires a user to click the payload within the Autodesk Fusion application, enabling the attacker to read local files or execute arbitrary code in the context of the current Fusion process.
Autodesk has addressed the vulnerability in security advisory ADSK-SA-2026-0001, available at https://www.autodesk.com/trust/security-advisories/adsk-sa-2026-0001. Updated installers providing patches are offered via the Fusion Client Downloader for macOS at https://dl.appstreaming.autodesk.com/production/installers/Fusion%20Client%20Downloader.dmg and for Windows at https://dl.appstreaming.autodesk.com/production/installers/Fusion%20Client%20Downloader.exe.
Details
- CWE(s)