Adobe Photoshop: Out-of-bounds write allows arbitrary code execution
Summary
An out-of-bounds write flaw in Adobe Photoshop Desktop can be exploited to execute arbitrary code in the context of the current user. An attacker needs local access to the system and must convince a victim to open a malicious file. The flaw is rated high (CVSS 7.8) and is fixed in the security update APSB26-158.
Affected
- Photoshop 2026 version 27.10 and earlier (Windows and macOS)
- Photoshop 2025 version 26.11.7 and earlier (Windows and macOS)
Fixed in
- Photoshop 2026: version 27.11 (Windows and macOS)
- Photoshop 2025: version 26.11.8 (Windows and macOS)
Workaround
Unknown. Adobe describes no workaround and recommends updating.
Interim measure (not from Adobe): do not open untrusted PSD or image files from email or downloads until the update is installed.
Exploitation
- Adobe is not aware of any exploits in the wild for the issues in this update.
- Zero Day Initiative lists the bulletin as not exploited.
- No public proof of concept found.
- CISA SSVC assessment: exploitation none, automatable no, technical impact total.
Our recommendation
- Update Photoshop 2026 to 27.11 and Photoshop 2025 to 26.11.8 via the Creative Cloud desktop app or the Admin Console.
- Prioritise systems of design, marketing and print teams that open files from clients or the internet, ideally within the first week.
- Until patched, avoid opening untrusted files and restrict who can open them.
- Verify the installed versions after the update.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Adobe Security Bulletin APSB26-158 www.adobe.com
- CVE Project cvelistV5 release 2026-10-13 github.com
- Zero Day Initiative October 2026 security update review www.zerodayinitiative.com
- Strix CVE-2026-100112 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, 00:11.
Original description (NVD)
Photoshop Desktop 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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