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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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4426375e937279cefeb99e7ce8a01fadab676442c9fac191908022009736977d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"Microsoft JIRA SAML SSO plugin","vendor":"Microsoft","versions":[{"lessThan":"1.3.3","status":"affected","version":"1.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d4438f4d17fdef098c83f61fd9acb665ec3c5448551a0a72bf63d7d45f4405ca · sha256:37ee49e64c136a6c… · /containers/cna/affected/1

{"product":"Microsoft Confluence SAML SSO plugin","vendor":"Microsoft","versions":[{"lessThan":"7.4.0","status":"affected","version":"1.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d4438f4d17fdef098c83f61fd9acb665ec3c5448551a0a72bf63d7d45f4405ca · sha256:37ee49e64c136a6c… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"product":"Microsoft JIRA SAML SSO plugin","vendor":"Microsoft","versions":[{"lessThan":"1.3.3","status":"affected","version":"1.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d4438f4d17fdef098c83f61fd9acb665ec3c5448551a0a72bf63d7d45f4405ca · sha256:37ee49e64c136a6c… · /containers/cna/affected/1
{"product":"Microsoft Confluence SAML SSO plugin","vendor":"Microsoft","versions":[{"lessThan":"7.4.0","status":"affected","version":"1.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d4438f4d17fdef098c83f61fd9acb665ec3c5448551a0a72bf63d7d45f4405ca · sha256:37ee49e64c136a6c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":9.1,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d4438f4d17fdef098c83f61fd9acb665ec3c5448551a0a72bf63d7d45f4405ca · sha256:37ee49e64c136a6c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-303","description":"CWE-303: Incorrect Implementation of Authentication Algorithm","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d4438f4d17fdef098c83f61fd9acb665ec3c5448551a0a72bf63d7d45f4405ca · sha256:37ee49e64c136a6c… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"Microsoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41103"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d4438f4d17fdef098c83f61fd9acb665ec3c5448551a0a72bf63d7d45f4405ca · sha256:37ee49e64c136a6c… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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