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CVE-2026-50480

Heap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6da3b8183f7615366e3bd3ad21ec86482953227273b5ff91eb7f46ae9358ab65
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 7 assertions

{"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.23291","status":"affected","version":"6.3.9600.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/affected/3

{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1607","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9339","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/affected/0

{"platforms":["x64-based Systems"],"product":"Windows Server 2012 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.26226","status":"affected","version":"6.2.9200.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/affected/2

{"platforms":["x64-based Systems"],"product":"Windows Server 2012","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.26226","status":"affected","version":"6.2.9200.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/affected/1

{"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.23291","status":"affected","version":"6.3.9600.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/affected/4

{"platforms":["x64-based Systems"],"product":"Windows Server 2016","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9339","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/affected/5

{"platforms":["x64-based Systems"],"product":"Windows Server 2016 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9339","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/affected/6

Affected products and versions

7 source assertions
{"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.23291","status":"affected","version":"6.3.9600.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/affected/3
{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1607","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9339","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/affected/0
{"platforms":["x64-based Systems"],"product":"Windows Server 2012 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.26226","status":"affected","version":"6.2.9200.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/affected/2
{"platforms":["x64-based Systems"],"product":"Windows Server 2012","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.26226","status":"affected","version":"6.2.9200.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/affected/1
{"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.23291","status":"affected","version":"6.3.9600.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/affected/4
{"platforms":["x64-based Systems"],"product":"Windows Server 2016","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9339","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/affected/5
{"platforms":["x64-based Systems"],"product":"Windows Server 2016 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9339","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/affected/6

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/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:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-122","description":"CWE-122: Heap-based Buffer Overflow","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"Windows Web Proxy Auto-Discovery Protocol (WPAD) Elevation of Privilege Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50480"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:438c7992a8d6a47db113abce0e5ef4ce3d502bb0384d98a3fe921c0fc304970d · sha256:b68d363e034058a0… · /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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