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CVE-2026-119958

CVE-2026-119958

waiting for further signalsZero needs more public information before it can validate it.

GHSA-fg44-xw4v-rvqr ↗EUVD-2026-122451 ↗

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.
Microsoft Windows 10 Version 1607 >= 10.0.14393.0, < 10.0.14393.9688; >= 10.0.17763.0, < 10.0.17763.9487; >= 10.0.19044.0, < 10.0.19044.7846; >= 10.0.19045.0, < 10.0.19045.7846; >= 10.0.22631.0, < 10.0.22631.7711; >= 10.0.26100.0, < 10.0.26100.9974; >= 10.0.26200.0, < 10.0.26200.9974; >= 10.0.28000.0, < 10.0.28000.3501; >= 10.0.26300.0, < 10.0.26300.9974; >= 10.0.20348.0, < 10.0.20348.5870; >= 10.0.26100.0, < 10.0.26100.33822
fixed in 10.0.14393.9688, 10.0.17763.9487, 10.0.19044.7846, 10.0.19045.7846, 10.0.22631.7711, 10.0.26100.9974, 10.0.26200.9974, 10.0.28000.3501, 10.0.26300.9974, 10.0.20348.5870, 10.0.26100.33822
CWE-787 Out-of-bounds Write
ETK-2026-4084Zero's internal tracking ID, independent of the CVE number., permanent identifier
cvss9.8cna vendorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
8h 39msince last run
10mAI analysisAnalysis: how long the AI spent reversing this signal.
timeline
0 = trigger signal
trigger signal (cve.org) +0hwaiting for further signals+3h43m
0
+2h
+6h
+8h
+10h
+12h

description

Affected Windows client and server releases contain an out-of-bounds write in the LDAP component. An unauthenticated attacker who can reach a vulnerable Windows LDAP endpoint may be able to execute code on the affected system.

mitigation

Install updates that raise Windows 10 1607/1809/21H2/22H2 to 10.0.14393.9688, 10.0.17763.9487, 10.0.19044.7846, or 10.0.19045.7846; Windows 11 23H2/24H2/25H2/26H1/26H2 to 10.0.22631.7711, 10.0.26100.9974, 10.0.26200.9974, 10.0.28000.3501, or 10.0.26300.9974, respectively. Update Windows Server 2016, 2019, 2022, and 2025, including Server Core where listed, to 10.0.14393.9688, 10.0.17763.9487, 10.0.20348.5870, and 10.0.26100.33822, respectively; restrict network access to LDAP endpoints until updates are deployed.

fixed in 10.0.14393.9688, 10.0.17763.9487, 10.0.19044.7846, 10.0.19045.7846, 10.0.22631.7711, 10.0.26100.9974, 10.0.26200.9974, 10.0.28000.3501, 10.0.26300.9974, 10.0.20348.5870, 10.0.26100.33822

check
no
exploit
no
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.
contextual
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.
–
agent run time
10m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-11-10 18:23Z
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.
–

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.

  1. 2026-11-10 18:23Z
    cve_org: trigger signal, started the run
    https://www.cve.org/CVERecord?id=CVE-2026-119958

this entry in the feed

GET /api/v1/feed/CVE-2026-119958

{
  "etk_id": "ETK-2026-4084",
  "cve_id": "CVE-2026-119958",
  "display_id": "CVE-2026-119958",
  "ghsa_id": "GHSA-fg44-xw4v-rvqr",
  "euvd_id": "EUVD-2026-122451",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Out-of-bounds write in Windows LDAP",
  "summary": "Affected Windows client and server releases contain an out-of-bounds write in the LDAP component. An unauthenticated attacker who can reach a vulnerable Windows LDAP endpoint may be able to execute code on the affected system.",
  "mitigation": "Install updates that raise Windows 10 1607/1809/21H2/22H2 to 10.0.14393.9688, 10.0.17763.9487, 10.0.19044.7846, or 10.0.19045.7846; Windows 11 23H2/24H2/25H2/26H1/26H2 to 10.0.22631.7711, 10.0.26100.9974, 10.0.26200.9974, 10.0.28000.3501, or 10.0.26300.9974, respectively. Update Windows Server 2016, 2019, 2022, and 2025, including Server Core where listed, to 10.0.14393.9688, 10.0.17763.9487, 10.0.20348.5870, and 10.0.26100.33822, respectively; restrict network access to LDAP endpoints until updates are deployed.",
  "vendor": "Microsoft",
  "product": "Windows 10 Version 1607",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.14393.0, < 10.0.14393.9688"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.14393.9688"
      ],
      "package_name": "Windows 10 Version 1607",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.17763.0, < 10.0.17763.9487"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.17763.9487"
      ],
      "package_name": "Windows 10 Version 1809",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.19044.0, < 10.0.19044.7846"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.19044.7846"
      ],
      "package_name": "Windows 10 Version 21H2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.19045.0, < 10.0.19045.7846"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.19045.7846"
      ],
      "package_name": "Windows 10 Version 22H2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.22631.0, < 10.0.22631.7711"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.22631.7711"
      ],
      "package_name": "Windows 11 version 23H2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.22631.0, < 10.0.22631.7711"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.22631.7711"
      ],
      "package_name": "Windows 11 Version 23H2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.26100.0, < 10.0.26100.9974"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.26100.9974"
      ],
      "package_name": "Windows 11 Version 24H2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.26200.0, < 10.0.26200.9974"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.26200.9974"
      ],
      "package_name": "Windows 11 Version 25H2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.28000.0, < 10.0.28000.3501"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.28000.3501"
      ],
      "package_name": "Windows 11 version 26H1",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.26300.0, < 10.0.26300.9974"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.26300.9974"
      ],
      "package_name": "Windows 11 Version 26H2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.14393.0, < 10.0.14393.9688"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.14393.9688"
      ],
      "package_name": "Windows Server 2016",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.14393.0, < 10.0.14393.9688"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.14393.9688"
      ],
      "package_name": "Windows Server 2016 (Server Core installation)",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.17763.0, < 10.0.17763.9487"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.17763.9487"
      ],
      "package_name": "Windows Server 2019",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.17763.0, < 10.0.17763.9487"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.17763.9487"
      ],
      "package_name": "Windows Server 2019 (Server Core installation)",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.20348.0, < 10.0.20348.5870"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.20348.5870"
      ],
      "package_name": "Windows Server 2022",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.26100.0, < 10.0.26100.33822"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.26100.33822"
      ],
      "package_name": "Windows Server 2025",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 10.0.26100.0, < 10.0.26100.33822"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.26100.33822"
      ],
      "package_name": "Windows Server 2025 (Server Core installation)",
      "purl": null
    }
  ],
  "cwes": [
    787
  ],
  "cvss_score": 9.8,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 10.149232366666666,
  "t0_at": "2026-11-10T18:23:44.657000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-10T18:23:44.657000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-10T18:23:44.657000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-119958"
    }
  }
}

published 2026-11-10 18:51Z
last change 2026-11-11 05:12Z

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