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CVE-2026-47631

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b70bd8b2699b1557948c8a5a23bb1af463e948ba4d7f6a9659af02306f25d11c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 4 assertions

{"platforms":["x64-based Systems"],"product":"Microsoft Exchange Server 2016 Cumulative Update 23","vendor":"Microsoft","versions":[{"lessThan":"15.01.2507.071","status":"affected","version":"15.01.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:11868585ec617984d7834487496a6c01a95eca09c5c311a445c80f30f6871917 · sha256:04301d2ae02282de… · /containers/cna/affected/0

{"platforms":["x64-based Systems"],"product":"Microsoft Exchange Server 2019 Cumulative Update 15","vendor":"Microsoft","versions":[{"lessThan":"15.02.1748.048","status":"affected","version":"15.02.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:11868585ec617984d7834487496a6c01a95eca09c5c311a445c80f30f6871917 · sha256:04301d2ae02282de… · /containers/cna/affected/2

{"platforms":["x64-based Systems"],"product":"Microsoft Exchange Server Subscription Edition RTM","vendor":"Microsoft","versions":[{"lessThan":"15.02.2562.045","status":"affected","version":"15.02.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:11868585ec617984d7834487496a6c01a95eca09c5c311a445c80f30f6871917 · sha256:04301d2ae02282de… · /containers/cna/affected/3

{"platforms":["x64-based Systems"],"product":"Microsoft Exchange Server 2019 Cumulative Update 14","vendor":"Microsoft","versions":[{"lessThan":"15.02.1544.043","status":"affected","version":"15.02.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:11868585ec617984d7834487496a6c01a95eca09c5c311a445c80f30f6871917 · sha256:04301d2ae02282de… · /containers/cna/affected/1

Affected products and versions

4 source assertions
{"platforms":["x64-based Systems"],"product":"Microsoft Exchange Server 2016 Cumulative Update 23","vendor":"Microsoft","versions":[{"lessThan":"15.01.2507.071","status":"affected","version":"15.01.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:11868585ec617984d7834487496a6c01a95eca09c5c311a445c80f30f6871917 · sha256:04301d2ae02282de… · /containers/cna/affected/0
{"platforms":["x64-based Systems"],"product":"Microsoft Exchange Server 2019 Cumulative Update 15","vendor":"Microsoft","versions":[{"lessThan":"15.02.1748.048","status":"affected","version":"15.02.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:11868585ec617984d7834487496a6c01a95eca09c5c311a445c80f30f6871917 · sha256:04301d2ae02282de… · /containers/cna/affected/2
{"platforms":["x64-based Systems"],"product":"Microsoft Exchange Server Subscription Edition RTM","vendor":"Microsoft","versions":[{"lessThan":"15.02.2562.045","status":"affected","version":"15.02.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:11868585ec617984d7834487496a6c01a95eca09c5c311a445c80f30f6871917 · sha256:04301d2ae02282de… · /containers/cna/affected/3
{"platforms":["x64-based Systems"],"product":"Microsoft Exchange Server 2019 Cumulative Update 14","vendor":"Microsoft","versions":[{"lessThan":"15.02.1544.043","status":"affected","version":"15.02.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:11868585ec617984d7834487496a6c01a95eca09c5c311a445c80f30f6871917 · sha256:04301d2ae02282de… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:v2:11868585ec617984d7834487496a6c01a95eca09c5c311a445c80f30f6871917 · sha256:04301d2ae02282de… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:11868585ec617984d7834487496a6c01a95eca09c5c311a445c80f30f6871917 · sha256:04301d2ae02282de… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"Microsoft Exchange Server Spoofing Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47631"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:11868585ec617984d7834487496a6c01a95eca09c5c311a445c80f30f6871917 · sha256:04301d2ae02282de… · /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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