How severe is CVE-2026-103752?

CVE-2026-103752 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-103752 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-103752?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-103752 published?

CVE-2026-103752 was published on 2026-10-01.

CVE-2026-103752

CVE-2026-103752 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-266.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-266
Published: 2026-10-01
Last modified: 2026-10-01

Description

Unauthenticated Privilege Escalation in Authorizer <= 3.15.3 versions.

Frequently asked questions

What is CVE-2026-103752?: Unauthenticated Privilege Escalation in Authorizer <= 3.15.3 versions.
How severe is CVE-2026-103752?: CVE-2026-103752 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-103752 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-103752?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-103752 published?: CVE-2026-103752 was published on 2026-10-01.

References

https://patchstack.com/database/wordpress/plugin/authorizer/vulnerability/wordpress-authorizer-plugin-3-15-3-privilege-escalation-vulnerability?_s_id=cve

Other CWE-266 (Incorrect Privilege Assignment) vulnerabilities

CVE-2026-39773 — Critical (CVSS 10.0): Unauthenticated Privilege Escalation in Doctreat Core <= 1.7.0 versions.
CVE-2026-105284 — Critical (CVSS 10.0): A weakness has been identified in Totolink A3002MU 1.0.0-B20230403.1455. The impacted element is the function…
CVE-2026-23800 — Critical (CVSS 10.0): Incorrect Privilege Assignment vulnerability in Modular DS modular-connector allows Privilege Escalation.This issue…
CVE-2025-41115 — Critical (CVSS 10.0): SCIM provisioning was introduced in Grafana Enterprise and Grafana Cloud in April to improve how organizations manage…
CVE-2024-9479 — Critical (CVSS 10.0): Improper Privilege Management vulnerability in upKeeper Solutions upKeeper Instant Privilege Access allows Privilege…
CVE-2024-9478 — Critical (CVSS 10.0): Improper Privilege Management vulnerability in upKeeper Solutions upKeeper Instant Privilege Access allows Privilege…

Browse all CWE-266 (Incorrect Privilege Assignment) vulnerabilities →