Adobe Dimension: Out-of-bounds write leads to arbitrary code execution
Summary
Adobe Dimension 4.1.8 and earlier on Windows and macOS contains an out-of-bounds write vulnerability (CWE-787). An attacker can execute arbitrary code in the context of the current user by convincing a victim to open a malicious file. Adobe reports no exploitation in the wild, and the vendor rates the update as priority 3.
Affected
- Adobe Dimension 4.1.8 and earlier
- Platforms: Windows and macOS
Fixed in
- Adobe Dimension 4.1.9 (per vendor advisory APSB26-171)
Workaround
- Unknown. No vendor workaround is listed; update to 4.1.9.
- Do not open Dimension files from untrusted senders until the update is installed.
Exploitation
- Adobe is not aware of any exploits in the wild for the issues in APSB26-171.
- CISA SSVC assessment: exploitation none, automatable no, technical impact total.
- No public proof of concept found; CISA KEV listing not found in research.
Our recommendation
- Inventory Dimension installations on Windows and macOS workstations.
- Update to Dimension 4.1.9 via Creative Cloud, or remove Dimension where it is not needed.
- Train users to be cautious with Dimension files from unknown senders.
- Confirm per-CVE details in the full APSB26-171 advisory, as sources differ on the weakness classification.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Adobe Security Bulletin APSB26-171 www.adobe.com
- Vulners CVE record CVE-2026-103844 vulners.com
- Tenable plugin 365770 www.tenable.com
- Zero Day Initiative October 2026 security update review www.zerodayinitiative.com
- Strix CVE-2026-103844 www.strix.ai
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 2 Nov 2026, 00:17.
Original description (NVD)
Dimension is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
NVD references (1)
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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