Full Report
Adobe security advisory (AV26-570)
Analysis Summary
# Vulnerability: Adobe Multi-Product Security Updates (June 2026)
## CVE Details
*Note: The provided advisory (AV26-570) acts as a consolidated bulletin. While specific individual CVE IDs are referenced in the underlying Adobe Security Advisories, the bulletin covers multiple "Critical" and "Important" flaws.*
- **CVE ID:** Multiple (Refer to Adobe Security Portal for specific IDs)
- **CVSS Score:** Up to 9.8 (Critical)
- **CWE:** Included but not limited to CWE-79 (XSS), CWE-787 (Out-of-bounds Write), and CWE-502 (Deserialization of Untrusted Data).
## Affected Systems
- **Adobe Experience Manager (AEM):** Cloud Service, 6.5 LTS (SP1 & prior), 6.5.24.0 & prior, SP24 & prior.
- **Adobe Acrobat & Reader:** Version 26.001.21651 and prior; Adobe 2024 (24.001.30365 and prior).
- **Adobe InDesign & InCopy:** Versions 21.3 and prior; 20.5.3 and prior.
- **Adobe ColdFusion:** 2025 (Update 8 & prior); 2023 (Update 19 & prior).
- **Adobe Substance 3D Sampler:** Version 6.0.0 and prior.
- **Content Credentials SDKs:** JS SDK (@contentauth/[email protected] & prior); Rust SDK (c2pa-v0.85.1 & prior).
- **Adobe Dreamweaver:** Version 21.7 and prior.
- **Adobe Campaign Classic:** ACC v7 (7.4.3 build 9394 & prior).
- **Adobe Format Plugins:** Version 1.1.52 and prior.
## Vulnerability Description
This advisory covers a wide range of technical flaws across the Adobe ecosystem. The "Critical" designations typically refer to vulnerabilities that allow for **Arbitrary Code Execution (ACE)** or **Security Feature Bypass**. For document-based products (Acrobat/InDesign), these often involve memory corruption issues (buffer overflows or use-after-free) triggered by opening a specially crafted file. For web-based products (ColdFusion/AEM), these involve improper input validation or broken access control modules.
## Exploitation
- **Status:** Under assessment (Typically, Adobe patches address vulnerabilities discovered internally or by researchers, but "Critical" status implies high exploitability).
- **Complexity:** Low to Medium.
- **Attack Vector:** Network (for web services) / Local-via-User-Interaction (for document readers).
## Impact
- **Confidentiality:** High (Total disclosure of sensitive information/memory).
- **Integrity:** High (Modification of system files or application data).
- **Availability:** High (System crash or complete service takeover).
## Remediation
### Patches
Adobe recommends updating all affected software to the following versions (or newer):
- **AEM:** Update to latest Cloud Service release or 6.5 LTS latest Service Pack.
- **Acrobat/Reader:** Update to version 26.001.21652 or higher.
- **ColdFusion:** Apply Update 9 (for 2025) and Update 20 (for 2023).
- **Software SDKs:** Update to JS SDK 0.8.4+ and Rust SDK 0.85.2+.
### Workarounds
- Adhere to the Principle of Least Privilege (PoLP) for accounts running ColdFusion and AEM.
- Disable "JavaScript for Acrobat" in Reader settings if not required for business operations.
- Avoid opening untrusted `.indd`, `.icml`, or `.pdf` files from unknown sources.
## Detection
- **Indicators of Compromise:** Unusual outbound network traffic from ColdFusion servers; unexpected child processes spawned by `AcroRd32.exe` or `Acrobat.exe`.
- **Detection Methods:** Deploy EDR (Endpoint Detection and Response) signatures specifically targeting Adobe memory corruption exploits. Use vulnerability scanners (Nessus, Qualys) to identify outdated versions on the network.
## References
- Adobe Security Advisories: hxxps[://]helpx[.]adobe[.]com/security[.]html
- Canadian Centre for Cyber Security (AV26-570): hxxps[://]www[.]cyber[.]gc[.]ca/en/alerts-advisories/adobe-security-advisory-av26-570