Affects Adobe Experience Manager — a widely deployed enterprise CMS; critical privilege escalation risk that could impact many organizations.
CVE-2026-90531
XXE in Adobe Experience Manager allows privilege escalation without user interaction
Is CVE-2026-90531 being exploited?
Not confirmed. CVE-2026-90531 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.47% probability of exploitation in the next 30 days.
How severe is CVE-2026-90531?
CVE-2026-90531 is rated Critical with a CVSS score of 9.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-90531?
Yes. A fix has been recorded for CVE-2026-90531. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-90531 affect?
CVE-2026-90531 affects Adobe Experience Manager (AEM). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-90531?
Apply Adobe AEM security update immediately; restrict AEM access and monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Low-privilege attacker can exploit XXE to escalate privileges, access internal resources and sensitive files, potentially enabling admin takeover.
Immediate action required
- affected<= 6.5.25
- affected<= 6.5 LTS SP3
- affected<= 2026.9.28187
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.