CVE-2026-12591
waiting for further signalsZero needs more public information before it can validate it.GHSA-v53h-q7r3-wr4w ↗EUVD-2026-124322 ↗
description
M365 Manager Plus builds below 4818 have an authorization flaw in delegated administration. An authenticated technician could obtain privileges beyond their intended scope and may trigger code execution during administrative processing. Exploitation requires a technician account.
mitigation
Upgrade M365 Manager Plus to build 4818 or later. Review delegated technician accounts and remove unnecessary permissions until the update is complete.
fixed in 4818
outcome
Contextual, not validated: no deterministic check could cover this one, and no technique passed our review.
source signals
Public signals that triggered or updated the pipeline. These are inputs for the deltas above.
- 2026-11-12 06:55Zcve_org: trigger signal, started the run
this entry in the feed
GET /api/v1/feed/CVE-2026-12591
{ "etk_id": "ETK-2026-4251", "cve_id": "CVE-2026-12591", "display_id": "CVE-2026-12591", "ghsa_id": "GHSA-v53h-q7r3-wr4w", "euvd_id": "EUVD-2026-124322", "status": "published", "anchor_state": "anchored", "title": "Improper authorization in M365 Manager Plus delegated administration", "summary": "M365 Manager Plus builds below 4818 have an authorization flaw in delegated administration. An authenticated technician could obtain privileges beyond their intended scope and may trigger code execution during administrative processing. Exploitation requires a technician account.", "mitigation": "Upgrade M365 Manager Plus to build 4818 or later. Review delegated technician accounts and remove unnecessary permissions until the update is complete.", "vendor": "Zohocorp", "product": "M365 Manager Plus", "affected": [ { "affected_notes": [], "affected_ranges": [ ">= 0, < 4818" ], "ecosystem": null, "fixed_versions": [ "4818" ], "package_name": "M365 Manager Plus", "purl": null } ], "cwes": [ 862 ], "cvss_score": 9.9, "cvss_src": "cna_vendor", "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "epss_score": null, "epss_percentile": null, "epss_asof": null, "automation": "contextual", "check": false, "check_confidence_basis": null, "exploit": false, "pipeline_minutes": 21.716820133333332, "t0_at": "2026-11-12T06:55:31.695000+00:00", "signals": { "trigger_signal": { "at": "2026-11-12T06:55:31.695000+00:00", "days": 0, "is_lower_bound": false, "measured_at": "2026-11-12T06:55:31.695000+00:00", "url": "https://www.cve.org/CVERecord?id=CVE-2026-12591" } } }
published 2026-11-12 07:32Z
last change 2026-11-12 10:36Z
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