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No exploitation reportedAwaiting NVD analysis

CVE-2026-119906

Windows Sandbox Elevation of Privilege Vulnerability

No exploitation reported by the sources we read.

  • Published2026-11-10
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Improper neutralization of special elements used in an os command ('os command injection') in Windows Sandbox allows an authorized attacker to elevate privileges locally.

Timeline

dates in UTC
  1. 2026-11-1018:23CVE publishedCNA

Versions per branch

Products declared by the CNA

As microsoft, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • Microsoft Windows Sandbox
    Affected
    • ≥ 1.0.0.0, < 0.8.111.0fixed in 0.8.111.0custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-10

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-119906 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionnone2026-11-10
  • CNACVSS 3.17.82026-11-10
  • NVDCVSS 3.17.8read 2026-11-10
  • CNAweakness (CWE)CWE-782026-11-10
  • NVDweakness (CWE)CWE-78read 2026-11-10

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2026-11-10
Last Modified
2026-11-10
NVD status
Awaiting Analysis

Frequently asked questions

What is CVE-2026-119906?

Improper neutralization of special elements used in an os command ('os command injection') in Windows Sandbox allows an authorized attacker to elevate privileges locally.

Is CVE-2026-119906 actively exploited?

Active exploitation of CVE-2026-119906 has not been confirmed.

What is the CVSS score for CVE-2026-119906?

CVE-2026-119906 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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