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CVE-2026-47303

Authentication bypass by assumed-immutable data in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:42d7c9cc9dae8e4af31adbda07c022393b21b77daa5ea5765dacbb8efddd1d05
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 6 assertions

{"product":"Microsoft Visual Studio 2022 version 17.14","vendor":"Microsoft","versions":[{"lessThan":"17.14.36","status":"affected","version":"17.14.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/affected/4

{"product":".NET 10.0","vendor":"Microsoft","versions":[{"lessThan":"10.0.10","status":"affected","version":"10.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/affected/0

{"product":".NET 9.0","vendor":"Microsoft","versions":[{"lessThan":"9.0.18","status":"affected","version":"9.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/affected/2

{"product":"Microsoft Visual Studio 2026 version 18.7","vendor":"Microsoft","versions":[{"lessThan":"18.7.4","status":"affected","version":"18.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/affected/5

{"product":".NET 8.0","vendor":"Microsoft","versions":[{"lessThan":"8.0.29","status":"affected","version":"8.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/affected/1

{"product":"Microsoft Visual Studio 2022 version 17.12","vendor":"Microsoft","versions":[{"lessThan":"17.12.22","status":"affected","version":"17.12.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/affected/3
cwe · 3 assertions

{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en-US","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/problemTypes/0/descriptions/1

{"cweId":"CWE-90","description":"CWE-90: Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')","lang":"en-US","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/problemTypes/0/descriptions/2

{"cweId":"CWE-302","description":"CWE-302: Authentication Bypass by Assumed-Immutable Data","lang":"en-US","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

6 source assertions
{"product":"Microsoft Visual Studio 2022 version 17.14","vendor":"Microsoft","versions":[{"lessThan":"17.14.36","status":"affected","version":"17.14.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/affected/4
{"product":".NET 10.0","vendor":"Microsoft","versions":[{"lessThan":"10.0.10","status":"affected","version":"10.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/affected/0
{"product":".NET 9.0","vendor":"Microsoft","versions":[{"lessThan":"9.0.18","status":"affected","version":"9.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/affected/2
{"product":"Microsoft Visual Studio 2026 version 18.7","vendor":"Microsoft","versions":[{"lessThan":"18.7.4","status":"affected","version":"18.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/affected/5
{"product":".NET 8.0","vendor":"Microsoft","versions":[{"lessThan":"8.0.29","status":"affected","version":"8.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/affected/1
{"product":"Microsoft Visual Studio 2022 version 17.12","vendor":"Microsoft","versions":[{"lessThan":"17.12.22","status":"affected","version":"17.12.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/affected/3

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/problemTypes/0/descriptions/1
{"cweId":"CWE-90","description":"CWE-90: Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/problemTypes/0/descriptions/2
{"cweId":"CWE-302","description":"CWE-302: Authentication Bypass by Assumed-Immutable Data","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"ASP.NET Core Elevation of Privilege Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47303"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fa56540111009c08195a66e27855c6b5e08618ef9df40988fbc6aa0b7d717dd0 · sha256:a6925eb35da2813f… · /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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