CVE-2026-91356 (CVSS 4.2)

Description

Vulnerability in the PeopleSoft Enterprise HCM Global Payroll Switzerland product of Oracle PeopleSoft (component: Global Payroll for Switzerland). The supported version that is affected is 9.2. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where PeopleSoft Enterprise HCM Global Payroll Switzerland executes to compromise PeopleSoft Enterprise HCM Global Payroll Switzerland. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of PeopleSoft Enterprise HCM Global Payroll Switzerland accessible data as well as unauthorized read access to a subset of PeopleSoft Enterprise HCM Global Payroll Switzerland accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of PeopleSoft Enterprise HCM Global Payroll Switzerland. 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).

Is your site exposed to CVE-2026-91356?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

4.2

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0014

Probability of exploitation

0.03%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://www.oracle.com/security-alerts/cpuoct2026.html

Frequently Asked Questions

What is CVE-2026-91356? +

Vulnerability in the PeopleSoft Enterprise HCM Global Payroll Switzerland product of Oracle PeopleSoft (component: Global Payroll for Switzerland). The supported version that is affected is 9.2. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where PeopleSoft Enterprise HCM Global Payroll Switzerland executes to compromise PeopleSoft Enterprise HCM Global Payroll Switzerland. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of PeopleSoft Enterprise HCM Global Payroll Switzerland accessible data as well as unauthorized read access to a subset of PeopleSoft Enterprise HCM Global Payroll Switzerland accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of PeopleSoft Enterprise HCM Global Payroll Switzerland. 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). It has a CVSS v3.1 base score of 4.2 (MEDIUM).

How severe is CVE-2026-91356? +

CVE-2026-91356 has a CVSS v3.1 score of 4.2 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0014, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-91356? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

CVE-2026-91356