Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-26114

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:20bf04fca95f1ffa461bd1a7e5047be0048a10000a43dde1f697b64f0cf7c450
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

{"platforms":["x64-based Systems"],"product":"Microsoft SharePoint Enterprise Server 2016","vendor":"Microsoft","versions":[{"lessThan":"16.0.5543.1000","status":"affected","version":"16.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:849517f82d82b691f5dbce180e21f01ad6d377fee517700980874126fbf8edf4 · sha256:72c921c5803f533b… · /containers/cna/affected/0

{"platforms":["x64-based Systems"],"product":"Microsoft SharePoint Server 2019","vendor":"Microsoft","versions":[{"lessThan":"16.0.10417.20102","status":"affected","version":"16.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:849517f82d82b691f5dbce180e21f01ad6d377fee517700980874126fbf8edf4 · sha256:72c921c5803f533b… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"platforms":["x64-based Systems"],"product":"Microsoft SharePoint Enterprise Server 2016","vendor":"Microsoft","versions":[{"lessThan":"16.0.5543.1000","status":"affected","version":"16.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:849517f82d82b691f5dbce180e21f01ad6d377fee517700980874126fbf8edf4 · sha256:72c921c5803f533b… · /containers/cna/affected/0
{"platforms":["x64-based Systems"],"product":"Microsoft SharePoint Server 2019","vendor":"Microsoft","versions":[{"lessThan":"16.0.10417.20102","status":"affected","version":"16.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:849517f82d82b691f5dbce180e21f01ad6d377fee517700980874126fbf8edf4 · sha256:72c921c5803f533b… · /containers/cna/affected/1

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:v2:849517f82d82b691f5dbce180e21f01ad6d377fee517700980874126fbf8edf4 · sha256:72c921c5803f533b… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-502","description":"CWE-502: Deserialization of Untrusted Data","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:849517f82d82b691f5dbce180e21f01ad6d377fee517700980874126fbf8edf4 · sha256:72c921c5803f533b… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"Microsoft SharePoint Server Remote Code Execution Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26114"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:849517f82d82b691f5dbce180e21f01ad6d377fee517700980874126fbf8edf4 · sha256:72c921c5803f533b… · /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.

← Back to CVE Explorer