AutoCAD: Untrusted Search Path
CVE-2025-5039 is a high-severity untrusted search path vulnerability in AutoCAD from Autodesk, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an unauthenticated attacker, but only if a user takes part, for example by opening a link or file. The record lists version 2026.1 as the first without the flaw, so updating AutoCAD to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.21% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update AutoCAD to 2026.1 or a later version.
- Update AutoCAD LT to 2026.1 or a later version.
- Update RealDWG to 2026.0.2 or a later version.
- Read the advisory on autodesk.com for workarounds and exact fixed builds.
- Because the attack needs a user to take part, warn users about unexpected links and files related to this product until it is patched.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Autodesk | AutoCAD | 2026 up to, but not including, 2026.1 | 2026.1 |
| Autodesk | AutoCAD LT | 2026 up to, but not including, 2026.1 | 2026.1 |
| Autodesk | RealDWG | 2026 up to, but not including, 2026.0.2 | 2026.0.2 |
| Autodesk | 3ds Max | 2027 up to, but not including, 2027.1; 2026 up to, but not including, 2026.3.3 | 2027.1, 2026.3.3 |
| Autodesk | Infrastructure Parts Editor | 2026 up to, but not including, 2026.0.2 | 2026.0.2 |
| Autodesk | Inventor | 2026 up to, but not including, 2026.0.2 | 2026.0.2 |
| Autodesk | Navisworks Manage | 2026 up to, but not including, 2026.0.2 | 2026.0.2 |
| Autodesk | Navisworks Simulate | 2026 up to, but not including, 2026.0.2 | 2026.0.2 |
| Autodesk | Revit | 2026 up to, but not including, 2026.0.2 | 2026.0.2 |
| Autodesk | Vault | 2026 up to, but not including, 2026.0.2 | 2026.0.2 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- RequiredA user must take an action such as opening a file or link.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. Scored by CNA (autodesk.com).
Official description
A maliciously crafted binary file, when present while loading files in certain Autodesk applications, could lead to execution of arbitrary code in the context of the current process due to an untrusted search path being utilized.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Untrusted Search Path
The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control.
How developers prevent this class of flaw
- Hard-code the search path to a set of known-safe values (such as system directories), or only allow them to be specified by the administrator in a configuration file. Do not allow these settings to be modified by an external party. Be careful to avoid related weaknesses such as CWE-426 and CWE-428.
- When invoking other programs, specify those programs using fully-qualified pathnames. While this is an effective approach, code that uses fully-qualified pathnames might not be portable to other systems that do not use the same pathnames. The portability can be improved by locating the full-qualified paths in a centralized, easily-modifiable location within the source code, and having the code refer to these paths.
- Remove or restrict all environment settings before invoking other programs. This includes the PATH environment variable, LD_LIBRARY_PATH, and other settings that identify the location of code libraries, and any application-specific search paths.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other references
Other vulnerabilities in AutoCAD
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
- 7.1 High severity
- 7.8 High severity
Recent Untrusted Search Path vulnerabilities
- 9.0 Critical severity
- 8.4 High severity
- 8.4 High severity
- 7.8 High severity
- 8.5 High severity
- 7.8 High severity
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