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CVE-2026-45483

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Project Server allows an authorized attacker to perform spoofing over a network.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8ba03a8b8c85835dad45e3c307cbae666390b003274506b22b9b3157a52e9cb7
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"platforms":["x64-based Systems"],"product":"Microsoft SharePoint Server 2019","vendor":"Microsoft","versions":[{"lessThan":"16.0.10417.20153","status":"affected","version":"16.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9b51471c2916ac37ab664ca8539b5195e9cf6e1b3c02f4cfa0ac8831a18b0e3b · sha256:8b87472b254c4bd1… · /containers/cna/affected/1

{"platforms":["x64-based Systems"],"product":"Microsoft SharePoint Server Subscription Edition","vendor":"Microsoft","versions":[{"lessThan":"16.0.19725.20384","status":"affected","version":"16.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9b51471c2916ac37ab664ca8539b5195e9cf6e1b3c02f4cfa0ac8831a18b0e3b · sha256:8b87472b254c4bd1… · /containers/cna/affected/2

{"platforms":["x64-based Systems"],"product":"Microsoft SharePoint Enterprise Server 2016","vendor":"Microsoft","versions":[{"lessThan":"16.0.5556.1005","status":"affected","version":"16.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9b51471c2916ac37ab664ca8539b5195e9cf6e1b3c02f4cfa0ac8831a18b0e3b · sha256:8b87472b254c4bd1… · /containers/cna/affected/0

Affected products and versions

3 source assertions
{"platforms":["x64-based Systems"],"product":"Microsoft SharePoint Server 2019","vendor":"Microsoft","versions":[{"lessThan":"16.0.10417.20153","status":"affected","version":"16.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9b51471c2916ac37ab664ca8539b5195e9cf6e1b3c02f4cfa0ac8831a18b0e3b · sha256:8b87472b254c4bd1… · /containers/cna/affected/1
{"platforms":["x64-based Systems"],"product":"Microsoft SharePoint Server Subscription Edition","vendor":"Microsoft","versions":[{"lessThan":"16.0.19725.20384","status":"affected","version":"16.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9b51471c2916ac37ab664ca8539b5195e9cf6e1b3c02f4cfa0ac8831a18b0e3b · sha256:8b87472b254c4bd1… · /containers/cna/affected/2
{"platforms":["x64-based Systems"],"product":"Microsoft SharePoint Enterprise Server 2016","vendor":"Microsoft","versions":[{"lessThan":"16.0.5556.1005","status":"affected","version":"16.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9b51471c2916ac37ab664ca8539b5195e9cf6e1b3c02f4cfa0ac8831a18b0e3b · sha256:8b87472b254c4bd1… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":4.6,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9b51471c2916ac37ab664ca8539b5195e9cf6e1b3c02f4cfa0ac8831a18b0e3b · sha256:8b87472b254c4bd1… · /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:v2:9b51471c2916ac37ab664ca8539b5195e9cf6e1b3c02f4cfa0ac8831a18b0e3b · sha256:8b87472b254c4bd1… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"Microsoft Office Project Server Spoofing Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45483"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9b51471c2916ac37ab664ca8539b5195e9cf6e1b3c02f4cfa0ac8831a18b0e3b · sha256:8b87472b254c4bd1… · /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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