CVE-2026-96951

validatingZero is analyzing and reversing it now.

GHSA-hjr5-mppg-mjq7 ↗EUVD-2026-100274 ↗

no check availablenot proven exploitable
cve.orgpublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).kevAttacks confirmed in the real world.+9m
Microsoft Windows >= 1.0.0, < 20260925.100; >= 10.0.14393.0, < 10.0.14393.9612; >= 10.0.17763.0, < 10.0.17763.9376; >= 10.0.19044.0, < 10.0.19044.7807; >= 10.0.19045.0, < 10.0.19045.7807; >= 10.0.22631.0, < 10.0.22631.7652; >= 10.0.26100.0, < 10.0.26100.9711; >= 10.0.26200.0, < 10.0.26200.9711; >= 10.0.28000.0, < 10.0.28000.3231; >= 10.0.26300.0, < 10.0.26300.9711; >= 6.3.9600.0, < 6.3.9600.23470; >= 10.0.20348.0, < 10.0.20348.5761; >= 10.0.26100.0, < 10.0.26100.33650
fixed in 20260925.100, 10.0.14393.9612, 10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807, 10.0.22631.7652, 10.0.26100.9711, 10.0.26200.9711, 10.0.28000.3231, 10.0.26300.9711, 6.3.9600.23470, 10.0.20348.5761, 10.0.26100.33650
ETK-2026-2022Zero's internal tracking ID, independent of the CVE number., permanent identifier
–running
startingcurrent stage
timeline
0 = trigger signal
trigger signal +0hcve.org publication+19h01mkev+19h11m
0
+6h
+12h

description

Windows Shell in the listed Windows releases, and Outlook.com, is affected by a command-injection flaw. An unauthenticated attacker may bypass a security feature over a network when required user interaction occurs.

Still under analysis: more detail becomes available as the pipeline runs.

mitigation

Install the applicable fixed release: Outlook.com 20260925.100; Windows 10 1607 10.0.14393.9612, 1809 10.0.17763.9376, 21H2 10.0.19044.7807, or 22H2 10.0.19045.7807; Windows 11 23H2 10.0.22631.7652, 24H2 10.0.26100.9711, 25H2 10.0.26200.9711, 26H1 10.0.28000.3231, or 26H2 10.0.26300.9711. Update Windows Server 2012 R2 to 6.3.9600.23470, Server 2016 to 10.0.14393.9612, Server 2019 to 10.0.17763.9376, Server 2022 to 10.0.20348.5761, or Server 2025 to 10.0.26100.33650, including corresponding Server Core installations.

fixed in 20260925.100, 10.0.14393.9612, 10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807, 10.0.22631.7652, 10.0.26100.9711, 10.0.26200.9711, 10.0.28000.3231, 10.0.26300.9711, 6.3.9600.23470, 10.0.20348.5761, 10.0.26100.33650

check
building now
exploit
not yet
automationDeterministic: a check that runs on its own, the same request on every target. Contextual: an agentic technique that needs to be applied per target, for bugs that depend on contextual flows.
–
auth requiredWhether an attacker needs an account first, based on the CVSS vector's Privileges Required.
no
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
1.5%74th percentile
agent run time
11m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-10-13 19:01Z
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
–
Δ to kevAttacks confirmed in the real world.
+9m

outcome

Run in progress: no artifact yet.

source signals

Public signals that triggered or updated the pipeline. These are inputs for the deltas above.

  1. 2026-10-13
    vulncheck_kev: trigger signal, started the run
  2. 2026-10-13 00:00Z
  3. 2026-10-13 00:00Z
  4. 2026-10-13 19:01Z
  5. 2026-10-14 04:34Z
    Microsoft Patches Record 1,413 Flaws, Including Exploited Windows Shell Bug

this entry in the feed

GET /api/v1/feed/CVE-2026-96951

{
  "etk_id": "ETK-2026-2022",
  "cve_id": "CVE-2026-96951",
  "display_id": "CVE-2026-96951",
  "ghsa_id": "GHSA-hjr5-mppg-mjq7",
  "euvd_id": "EUVD-2026-100274",
  "status": "in_pipeline",
  "anchor_state": "anchored",
  "title": "Command injection in Windows Shell",
  "summary": "Windows Shell in the listed Windows releases, and Outlook.com, is affected by a command-injection flaw. An unauthenticated attacker may bypass a security feature over a network when required user interaction occurs.",
  "mitigation": "Install the applicable fixed release: Outlook.com 20260925.100; Windows 10 1607 10.0.14393.9612, 1809 10.0.17763.9376, 21H2 10.0.19044.7807, or 22H2 10.0.19045.7807; Windows 11 23H2 10.0.22631.7652, 24H2 10.0.26100.9711, 25H2 10.0.26200.9711, 26H1 10.0.28000.3231, or 26H2 10.0.26300.9711. Update Windows Server 2012 R2 to 6.3.9600.23470, Server 2016 to 10.0.14393.9612, Server 2019 to 10.0.17763.9376, Server 2022 to 10.0.20348.5761, or Server 2025 to 10.0.26100.33650, including corresponding Server Core installations.",
  "vendor": "Microsoft",
  "product": "Windows",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 1.0.0, < 20260925.100"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "20260925.100"
      ],
      "package_name": "Outlook.com",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.14393.0, < 10.0.14393.9612"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.14393.9612"
      ],
      "package_name": "Windows 10 Version 1607",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.17763.0, < 10.0.17763.9376"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.17763.9376"
      ],
      "package_name": "Windows 10 Version 1809",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.19044.0, < 10.0.19044.7807"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.19044.7807"
      ],
      "package_name": "Windows 10 Version 21H2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.19045.0, < 10.0.19045.7807"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.19045.7807"
      ],
      "package_name": "Windows 10 Version 22H2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.22631.0, < 10.0.22631.7652"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.22631.7652"
      ],
      "package_name": "Windows 11 version 23H2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.22631.0, < 10.0.22631.7652"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.22631.7652"
      ],
      "package_name": "Windows 11 Version 23H2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.26100.0, < 10.0.26100.9711"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.26100.9711"
      ],
      "package_name": "Windows 11 Version 24H2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.26200.0, < 10.0.26200.9711"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.26200.9711"
      ],
      "package_name": "Windows 11 Version 25H2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.28000.0, < 10.0.28000.3231"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.28000.3231"
      ],
      "package_name": "Windows 11 version 26H1",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.26300.0, < 10.0.26300.9711"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.26300.9711"
      ],
      "package_name": "Windows 11 Version 26H2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 6.3.9600.0, < 6.3.9600.23470"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "6.3.9600.23470"
      ],
      "package_name": "Windows Server 2012 R2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 6.3.9600.0, < 6.3.9600.23470"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "6.3.9600.23470"
      ],
      "package_name": "Windows Server 2012 R2 (Server Core installation)",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.14393.0, < 10.0.14393.9612"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.14393.9612"
      ],
      "package_name": "Windows Server 2016",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.14393.0, < 10.0.14393.9612"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.14393.9612"
      ],
      "package_name": "Windows Server 2016 (Server Core installation)",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.17763.0, < 10.0.17763.9376"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.17763.9376"
      ],
      "package_name": "Windows Server 2019",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.17763.0, < 10.0.17763.9376"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.17763.9376"
      ],
      "package_name": "Windows Server 2019 (Server Core installation)",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.20348.0, < 10.0.20348.5761"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.20348.5761"
      ],
      "package_name": "Windows Server 2022",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.26100.0, < 10.0.26100.33650"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.26100.33650"
      ],
      "package_name": "Windows Server 2025",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.26100.0, < 10.0.26100.33650"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.26100.33650"
      ],
      "package_name": "Windows Server 2025 (Server Core installation)",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 8.8,
  "cvss_src": "other",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C",
  "epss_score": 0.0151,
  "epss_percentile": 0.7412,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 11.11551875,
  "t0_at": "2026-10-13T19:01:26.801000+00:00",
  "signals": {
    "kev": {
      "at": "2026-10-13T19:10:43.656800+00:00",
      "days": 0.006445090277777778,
      "is_lower_bound": false,
      "measured_at": "2026-10-13T19:01:26.801000+00:00",
      "precision": "exact",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-96951"
    },
    "trigger_signal": {
      "at": "2026-10-13T00:00:00+00:00",
      "days": -0.7926713078703703,
      "is_lower_bound": false,
      "measured_at": "2026-10-13T19:01:26.801000+00:00",
      "url": "https://vulncheck.com/cve/CVE-2026-96951"
    }
  }
}

published 2026-10-18 23:08Z
last change 2026-10-21 00:23Z

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