CVE-2026-41103

May 13, 2026, 3:34 p.m.

9.1
Critical

Description

Incorrect implementation of authentication algorithm in Microsoft SSO Plugin for Jira & Confluence allows an unauthorized attacker to elevate privileges over a network.

Product(s) Impacted

Vendor Product Versions
Microsoft
  • Sso Plugin For Jira
  • Sso Plugin For Confluence
  • *
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-303
Incorrect Implementation of Authentication Algorithm
The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a microsoft sso_plugin_for_jira / / / / / / / /
a microsoft sso_plugin_for_confluence / / / / / / / /

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41103

Tags

CWE-303
[email protected]
2026-05-12
CVE-2026-41103

CVSS Score

9.1 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: NONE

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

    View Vector String

Timeline

Published: May 12, 2026, 6:17 p.m.
Last Modified: May 13, 2026, 3:34 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.