CVE Explorer
CVE-2026-48579
Improper authorization in Microsoft Exchange Online allows an unauthorized attacker to disclose information over a network.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"Microsoft Exchange Online","vendor":"Microsoft","versions":[{"status":"affected","version":"-"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:9f5099bba7fedc39f5df8674e9c3f6460ea081fb290124ad1006925e2d6c0457 · sha256:44b5ea6110e5c74e… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":9.1,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:9f5099bba7fedc39f5df8674e9c3f6460ea081fb290124ad1006925e2d6c0457 · sha256:44b5ea6110e5c74e… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-285","description":"CWE-285: Improper Authorization","lang":"en-US","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:9f5099bba7fedc39f5df8674e9c3f6460ea081fb290124ad1006925e2d6c0457 · sha256:44b5ea6110e5c74e… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"Microsoft Exchange Online Information Disclosure Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48579"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9f5099bba7fedc39f5df8674e9c3f6460ea081fb290124ad1006925e2d6c0457 · sha256:44b5ea6110e5c74e… · /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.