Security readout for executives and security teams
Plain-English summary
A remote, unauthenticated attacker who can reach an affected Hyperion system over HTTP may take complete control. That could expose sensitive information, permit unauthorized changes, and disrupt availability. The issue is limited by the supplied evidence to Oracle Hyperion Infrastructure Technology version 11.2.25.0.000.
Executive priority
Treat this as an immediate remediation priority because exploitation requires no credentials or user action and may enable complete takeover. Focus first on reachable production systems, while coordinating vendor guidance, access restriction, monitoring, and incident review.
Technical view
CVE-2026-62539 affects the Installation and Configuration component of Oracle Hyperion Infrastructure Technology 11.2.25.0.000. It is classified as CWE-284 and has CVSS 3.1 score 9.8. The network-accessible, low-complexity flaw requires neither privileges nor user interaction and can cause high confidentiality, integrity, and availability impacts.
Likely exposure
Exposure exists where version 11.2.25.0.000 is deployed and its HTTP interface is reachable by untrusted networks or compromised internal hosts. The supplied sources do not identify other affected versions, deployment configurations, or products.
Exploitation context
The vulnerability is described as easily exploitable and capable of full product takeover. However, the supplied bundle marks it absent from KEV and provides no cited evidence of active exploitation, public exploit code, or observed attacks.
Researcher notes
The supplied evidence gives the affected version, component, access vector, impact, CWE, and CVSS vector, but not the underlying flaw mechanism. It also does not specify a patch identifier, workaround, indicators of compromise, or exploitation telemetry. Avoid inferring those details from CWE-284 alone.
Mitigation direction
- Review Oracle's advisory immediately for the vendor-approved patch or remediation.
- Prioritize affected systems whose HTTP interfaces are internet-facing or broadly reachable.
- Restrict HTTP access to trusted administrative networks while remediation is pending.
- Use network segmentation and access controls to reduce paths to affected systems.
- Increase monitoring for suspicious access or configuration changes around affected deployments.
Validation and detection
- Inventory Oracle Hyperion Infrastructure Technology installations and confirm their exact versions.
- Identify every network path capable of reaching affected HTTP interfaces.
- Verify whether version 11.2.25.0.000 is present in production or recovery environments.
- Review HTTP, authentication, configuration, and system logs for unexplained activity.
- Confirm vendor-directed remediation is applied and affected interfaces remain appropriately restricted.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-62539 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9oracleVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- Oracle AdvisoryCVE reference, oracle · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.