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PatchSiren cyber security CVE debrief

CVE-2026-91356 Oracle Corporation CVE debrief

A vulnerability exists in PeopleSoft Enterprise HCM Global Payroll Switzerland, allowing high-privileged attackers with logon access to the infrastructure to compromise the system. Successful attacks can result in unauthorized data access and partial denial of service. This vulnerability affects version 9.2 and requires assessment and remediation to prevent potential unauthorized data access and partial denial of service, particularly for high-privileged users with logon access. The vulnerability allows high-privileged attackers with logon access to compromise the system, leading to unauthorized update, insert or delete access to some accessible data, unauthorized read access to a

Vendor
Oracle Corporation
Product
PeopleSoft Enterprise HCM Global Payroll Switzerland
CVSS
MEDIUM 4.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-20
Original CVE updated
2026-10-28
Advisory published
2026-10-20
Advisory updated
2026-10-28

Who should care

Defenders responsible for PeopleSoft Enterprise HCM Global Payroll Switzerland deployments, version 9.2, should assess exposure and prioritize remediation, focusing on restricting logon access to high-privileged users and monitoring for unauthorized data access and partial denial of service.

Why it matters

CVE-2026-91356 vulnerability in PeopleSoft Enterprise HCM Global Payroll Switzerland requires assessment and remediation to prevent potential unauthorized data access and partial denial of service, particularly for high-privileged users with logon access.

  • Potential unauthorized data access
  • Partial denial of service risk
  • Need for restricted logon access
  • Remediation priority for version 9.2

Technical summary

The vulnerability in PeopleSoft Enterprise HCM Global Payroll Switzerland, component: Global Payroll for Switzerland, allows high-privileged attackers with logon access to compromise the system, leading to unauthorized update, insert or delete access to some accessible data, unauthorized read access to a subset of accessible data, and partial denial of service. The supported version that is affected is 9.2. CVSS 3.1 Base Score 4.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L). Defenders responsible for PeopleSoft Enterprise HCM Global Payroll Switzerland deployments, version 9.2, should assess exposure and prioritize remediation, focusing on

Defensive priority

Assess exposure and prioritize remediation for PeopleSoft Enterprise HCM Global Payroll Switzerland version 9.2, focusing on restricting logon access to high-privileged users.

Recommended defensive actions

  • Assess PeopleSoft Enterprise HCM Global Payroll Switzerland version 9.2 exposure
  • Restrict logon access to high-privileged users
  • Monitor for unauthorized data access and partial denial of service
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, its impacts, and affected versions. However, the corpus lacks specific information on exploitation, victims, or remediation beyond version details.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-91356 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-91356

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-91356 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-91356

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.