Adobe Media Encoder: NULL pointer dereference leads to denial of service
Summary
Adobe Media Encoder contains a NULL pointer dereference (CWE-476) that can crash the application. An attacker can cause a denial-of-service condition by getting a victim to open a malicious file. The published CVE data describes only availability impact, with no code execution or data disclosure.
Affected
- Adobe Media Encoder 26.5.2 and earlier (Windows and macOS)
- Adobe Media Encoder 25.6.6 and earlier (Windows and macOS)
Fixed in
- Adobe Media Encoder 26.5.3 (26.x branch)
- Adobe Media Encoder 27.0 (25.x branch)
Workaround
Unknown. No vendor-documented interim mitigation found; apply the update.
Exploitation
- Adobe is not aware of any exploits in the wild for issues in this update.
- Not listed in CISA KEV. CISA SSVC: exploitation none, not automatable.
- Public proof of concept: unknown (none confirmed).
Our recommendation
- Update Adobe Media Encoder to 26.5.3 (26.x) or 27.0 (25.x) via the Download Center; the bulletin also covers higher-rated issues.
- Until patched, do not open project or media files from untrusted sources.
- Inventory Media Encoder installations on workstations and verify their versions.
- Monitor for application crashes.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Adobe Security Bulletin APSB26-103 www.adobe.com
- CVE Record CVE-2026-113539 www.cve.org
- OffSeq threat radar entry for CVE-2026-113539 radar.offseq.com
- Strix CVE entry CVE-2026-113539 www.strix.ai
- ZDI November 2026 security update review www.thezdi.com
- Adobe Media Encoder release notes helpx.adobe.com
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 11 Nov 2026, 16:15.
Original description (NVD)
Media Encoder is affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
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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