# CVE-2026-48359 — Adobe Experience Manager as a Cloud Service

> As of 2026-08-27, CVE-2026-48359 is a CRITICAL-severity vulnerability in Adobe Experience Manager as a Cloud Service, CVSS v3.1 9.6, EPSS 1.0% (61.8th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-48359, most recently “Multi-Vendor Critical Patch Roundup: Firefox 152.0.6, Chrome 150, Adobe ColdFusion/Commerce/AEM (APSB26-68/73/74), and VMware Avi Load Balancer (VMSA-2026-0005)”.

**Last updated:** 2026-08-27

## What is CVE-2026-48359?

Adobe Experience Manager is affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to read sensitive files, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue does not require user interaction. Scope is changed.

The record classifies CVE-2026-48359 under weakness class [CWE-611](https://cwe.mitre.org/data/definitions/611.html). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity. 3 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 106 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.6 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N`)
- **EPSS (FIRST):** 1.0% probability of exploitation in the next 30 days, higher than 61.8% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 7.3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-14, last modified 2026-08-27

## Is CVE-2026-48359 being exploited?

It currently carries a trending score of 28 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [Adobe](https://intel.threadlinqs.com/vendors/adobe): Experience Manager as a Cloud Service, Experience Manager 6.5 LTS, Experience Manager 6.5

## How to fix CVE-2026-48359

No vendor patch reference has been recorded for CVE-2026-48359 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-48359

1 tracked threat in the Threadlinqs corpus references CVE-2026-48359, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Multi-Vendor Critical Patch Roundup: Firefox 152.0.6, Chrome 150, Adobe ColdFusion/Commerce/AEM (APSB26-68/73/74), and VMware Avi Load Balancer (VMSA-2026-0005)](https://intel.threadlinqs.com/threat/TL-2026-1403) — CRITICAL · 2026-07-16

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-10-10.

**Vendor advisory and patch**

- [helpx.adobe.com — vendor advisory](https://helpx.adobe.com/security/products/experience-manager/apsb26-74.html)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-48359
Full detection coverage and IOCs for threats exploiting CVE-2026-48359 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp