Critical Access control

CVE-2026-90532 — Adobe Experience Manager | Incorrect Authorization (CWE-863)

Adobe Experience Manager is affected by an Incorrect Authorization vulnerability that could result in arbitrary code execution in the context of the current user, 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.

Published Oct 13, 2026 · Updated Oct 15, 2026 · Sources: CVE Program (cve.org) e CISA ADP, NIST National Vulnerability Database, GitHub Security Advisories · CNA: adobe

Low

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.

How the score was calculated

EPSS 0.7% (30-day exploitation probability)+8
Technical severity (critical)+10
Automatable exploitation (SSVC)+3

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation

Not confirmed

Not in CISA KEV — an absence of record, not proof it is unexploited.

EPSS FIRST

0.66%

ahead of 50% of scored CVEs · Oct 14, 2026

Affects

Adobe

Adobe Experience Manager 6.5 and 2 more

CVSS base

10.0

Critical · 3 source(s)

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation

None

none · proof-of-concept · active

Automatable

Yes

can an attacker script the kill-chain steps

Technical impact

Total

partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

Identify exposed assets running the affected vendor/product/version combinations (Adobe Adobe Experience Manager 6.5, Adobe Adobe Experience Manager 6.5 LTS, Adobe Adobe Experience Manager as a Cloud Service).
The attack is network-based and needs no privileges: restrict exposure (ACLs, VPN, WAF) until patched.
No fix documented in the sources: reduce exposure and monitor the vendor advisory.
Search available logs for exploit probes matching the vulnerability class (access control), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

Vendor	Product	Versions	Status	Source
Adobe	Adobe Experience Manager 6.5	≤ 6.5.25	Vulnerable	CVE Program (cve.org) e CISA ADP
Adobe	Adobe Experience Manager 6.5 LTS	≤ 6.5 LTS SP3	Vulnerable	CVE Program (cve.org) e CISA ADP
Adobe	Adobe Experience Manager as a Cloud Service	≤ 2026.9.28187	Vulnerable	CVE Program (cve.org) e CISA ADP

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

Score	Version	Severity	Expl.	Impact	Scored by
10.0	CVSS 3.1	Critical	3.9	6.0	psirt@adobe.com via NIST National Vulnerability Database
10.0	CVSS 3.1	Critical	—	—	GitHub, Inc. via GitHub Security Advisories
10.0	CVSS 3.1	Critical	—	—	adobe via CVE Program (cve.org) e CISA ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H (score shown at the top: psirt@adobe.com)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-863 · Incorrect Authorization

Other CVEs with this weakness →

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
Audit administrative actions and access to resources outside each user’s normal pattern.

web/proxy/WAF logsnetwork IDS/IPSauthentication logsapplication logs

Timeline

What happened to this CVE, newest first.

2026
Source status changed · Awaiting Analysis → Undergoing Analysis
Oct 15, 2026 · NIST National Vulnerability Database
Source status changed · Received → Awaiting Analysis
Oct 14, 2026 · NIST National Vulnerability Database
SSVC assessment updated
Oct 14, 2026 · CVE Program (cve.org) e CISA ADP
Source status changed · Published → Received
Oct 13, 2026 · NIST National Vulnerability Database
Record published
Oct 13, 2026
CVSS changed · 10.0
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
Source status changed · → Published
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
Record created in this database
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
CVE published
Oct 13, 2026 · adobe

Source activity

Repeated readings are counted rather than listed.

1× References added · Oct 13, 2026 – Oct 13, 2026
1× Official description updated · Oct 13, 2026 – Oct 13, 2026

References

3 on the record

helpx.adobe.com/security/products/experience-manager/apsb26-152.html
vendor-advisory, CVE Program (cve.org) e CISA ADP
nvd.nist.gov/vuln/detail/CVE-2026-90532
GitHub Security Advisories
github.com/advisories/GHSA-3xfw-qrmm-gqj7
GitHub Security Advisories

Elsewhere on this site

Adobe
every CVE for this vendor

Access control
same class

CWE-863
other pages naming this weakness

Related CVEs (same products)

Critical CVE-2026-90531 Adobe Experience Manager | Improper Restriction of XML External Entity Reference ('XXE') (CWE-611) 2d
Medium CVE-2026-83960 Adobe Experience Manager | Cross-site Scripting (DOM-based XSS) (CWE-79) 2d
Medium CVE-2026-83958 Adobe Experience Manager | Cross-site Scripting (DOM-based XSS) (CWE-79) 2d
Critical CVE-2026-83662 Adobe Experience Manager | Cross-site Scripting (Reflected XSS) (CWE-79) 2d
Critical CVE-2026-75732 Adobe Experience Manager | Incorrect Authorization (CWE-863) 2d
Medium CVE-2026-48398 Adobe Experience Manager | Cross-site Scripting (DOM-based XSS) (CWE-79) 2d

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

No fixed version, patch or mitigation documented.
No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2026-90532 is "Adobe Experience Manager | Incorrect Authorization (CWE-863)", rated Critical. It affects Adobe Experience Manager 6.5 (Adobe); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 10.0 describes technical severity. EPSS 0.66% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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