VulnerabilityAnalyzed
CVE-2026-41103
Incorrect implementation of authentication algorithm in Microsoft SSO Plugin for Jira & Confluence allows an unauthorized attacker to elevate privileges over a network.
CRITICAL 9.1EPSS 5.38%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Incorrect implementation of authentication algorithm in Microsoft SSO Plugin for Jira & Confluence allows an unauthorized attacker to elevate privileges over a network.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 5.38% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-303
- Affected
- microsoft/confluence saml sso · microsoft/jira saml sso
- Source
- secure@microsoft.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.