EUVD-2026-73621
GHSA-68mr-w88f-c69j
Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Local attack requiring a race condition (AC:H) from a standard user account (PR:L); full impact on the vulnerable system upon successful exploitation.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
5DescriptionCVE.org
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
AnalysisAI
Privilege escalation via use-after-free in the Windows Search Component affects a broad range of Microsoft Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025. An authenticated local attacker exploiting this memory-safety flaw can achieve full control of the affected system, gaining high confidentiality, integrity, and availability impact. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid local logon session on the target system (PR:L - a standard user account suffices, no administrative rights needed) and execution of code on the host, ruling out purely remote unauthenticated attack scenarios. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 7.0 reflects a local, high-complexity, low-privilege attack (AV:L/AC:H/PR:L) with a full impact triplet (C:H/I:H/A:H), which is realistic for a privilege escalation vulnerability that fully compromises the target process. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the Microsoft cumulative update corresponding to your Windows version, which brings builds to or above the fixed thresholds listed in the affected products section. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Windows 10 (1607 and later), Windows 11, and Windows Server (2012-2025) systems across your organization to establish baseline exposure. …
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Threat intelligence, references, and detailed analysis are available after sign-in.
Same weakness CWE-416 – Use After Free
View allSame technique Privilege Escalation
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External POC / Exploit Code
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