EUVD-2026-44309
GHSA-qxc6-2c9c-7vxv
Severity by source
AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Local authenticated foothold gives PR:L and AV:L; the race condition forces AC:H; escalation crosses to SYSTEM giving S:C with full C/I/A impact.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Wireless Networking allows an authorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in the Windows Wireless Networking component affects a broad span of currently supported Windows releases (Windows 10 1809 through Windows 11 26H1, and Windows Server 2019/2022/2025), letting an already-authenticated local user win a timing race to gain SYSTEM-level control. The flaw is a CWE-362 race condition where improperly synchronized access to a shared resource can be manipulated during a narrow execution window; CVSS 7.8 reflects a high-complexity but high-impact local escalation with a scope change. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an attacker to already have authenticated local access at low privilege (PR:L) on the target Windows system and the ability to run code that interacts with the Windows Wireless Networking component; there is no remote vector and no user interaction is needed (AV:L, UI:N). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H, base 7.8) tells a nuanced story: exploitation is local (AV:L) and requires an authenticated low-privileged foothold (PR:L), and critically carries High attack complexity (AC:H) because the attacker must reliably win a race condition - a non-deterministic timing window that typically demands multiple attempts and controlled conditions. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A low-privileged but authenticated user (or malware running in a standard-user context) on a patched-behind Windows host runs a tool that repeatedly triggers the vulnerable Wireless Networking operation while racing a second thread to manipulate the shared resource at the exact moment of the unsynchronized access. After enough timing attempts, the race is won and the attacker's code executes in SYSTEM context, yielding full control of the machine. … |
| Remediation | Patch available per vendor advisory: apply the Microsoft security update for CVE-2026-58628 via the MSRC update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58628, which lists the fixed build for each affected Windows edition (exact fixed version numbers were not included in this input and should be taken from that advisory rather than assumed). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all Windows 10 (versions 1809 through current), Windows 11 (through 26H1), Windows Server 2019, 2022, and 2025 systems to establish baseline vulnerability exposure. …
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External POC / Exploit Code
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