CVE-2025-8893 — PDF File Parsing Out-of-Bounds Write Vulnerability

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

1. Identify exposed assets running the affected vendor/product/version combinations (Autodesk Advance Steel, Autodesk Autocad, Autodesk Autocad Architecture…).
2. No fix documented in the sources: reduce exposure and monitor the vendor advisory.
3. Exploitation requires user interaction: tighten email/web filtering and warn affected users.
4. Search available logs for exploit probes matching the vulnerability class (memory corruption), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-787 · Out-of-bounds Write

Other CVEs with this weakness →

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

• Local/physical vector: focus on endpoint telemetry (EDR) from affected hosts.
• Correlate service crashes/restarts with inbound traffic; repeated crashes may indicate attempts.

Timeline

What happened to this CVE, newest first.

• 2026
• Affected products added · autodesk/revit, autodesk/autocad, autodesk/autocad architecture, autodesk/autocad electrical, autodesk/autocad mechanica
  Oct 18, 2026 · NIST National Vulnerability Database
• Source status changed · Published → Analyzed
  Oct 18, 2026 · NIST National Vulnerability Database
• Record published
  Oct 18, 2026
• Affected products added · autodesk/revit, autodesk/revit lt, autodesk/autocad, autodesk/autocad architecture, autodesk/autocad electrical, autodes
  Oct 18, 2026 · CVE Program (cve.org) e CISA ADP
• CVSS changed · 7.8
  Oct 18, 2026 · CVE Program (cve.org) e CISA ADP
• Source status changed · → Published
  Oct 18, 2026 · CVE Program (cve.org) e CISA ADP
• SSVC assessment updated
  Oct 18, 2026 · CVE Program (cve.org) e CISA ADP
• Record created in this database
  Oct 18, 2026 · Alertas do Telegram
• 2025
• CVE published
  Sep 16, 2025 · autodesk

Source activity

Repeated readings are counted rather than listed.

• 2× References added · Oct 18, 2026 – Oct 18, 2026
• 1× Official description updated · Oct 18, 2026 – Oct 18, 2026

References

4 on the record

• www.autodesk.com/trust/security-advisories/adsk-sa-2025-0018
  vendor-advisory, Vendor Advisory, CVE Program (cve.org) e CISA ADP
• www.autodesk.com/products/autodesk-access/overview
  patch, Product, CVE Program (cve.org) e CISA ADP
• nvd.nist.gov/vuln/detail/CVE-2025-8893
  GitHub Security Advisories
• github.com/advisories/GHSA-643f-mwpp-p2r3
  GitHub Security Advisories

Elsewhere on this site

Related CVEs (same products)

• High CVE-2026-8325 PDF File Parsing Out-of-Bounds Write Vulnerability in Certain Autodesk Desktop Products Aug 6, 2026
• High CVE-2026-7406 BMP File Parsing Untrusted Pointer Dereference in certain Autodesk products Aug 6, 2026
• Medium CVE-2026-7405 TIF File Parsing Out-of-Bounds Read in certain Autodesk products Aug 6, 2026
• High CVE-2026-1289 PDF File Parsing Vulnerabilities in Certain Autodesk Desktop Products Aug 6, 2026
• High CVE-2026-11803 PDF File Parsing Out-of-Bounds Read Vulnerability in in Certain Autodesk Desktop Products Aug 6, 2026
• Medium CVE-2026-17550 DWG or DXF File Parsing Out-of-Bounds Read in Autodesk AutoCAD Jul 29, 2026

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

• No fixed version, patch or mitigation documented.
• No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
• No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
• No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2025-8893 is "PDF File Parsing Out-of-Bounds Write Vulnerability", rated High. It affects Advance Steel (Autodesk); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 7.8 describes technical severity. EPSS 0.17% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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