What is the CVSS score of EUVD-2026-29602?

EUVD-2026-29602 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Windows AppID are affected by EUVD-2026-29602?

CVE-2026-34343 is a local privilege escalation flaw in Windows AppID subsystem that enables authenticated standard users to execute arbitrary code with SYSTEM privileges, affecting Windows 10,…. A patch is available.

Windows AppID EUVD-2026-29602

| CVE-2026-34343 HIGH

Heap-based Buffer Overflow (CWE-122)

2026-05-12 microsoft

GHSA-gpjx-hc3r-xfq8

Buffer Overflow Heap Overflow Microsoft

7.8

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

May 12, 2026 - 18:34 vuln.today

CVE Published

May 12, 2026 - 16:58 nvd

HIGH 7.8

DescriptionNVD

Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized attacker to elevate privileges locally.

AnalysisAI

Local privilege escalation in Windows Application Identity (AppID) Subsystem allows low-privileged authenticated users to execute code as SYSTEM via heap buffer overflow. Microsoft has released security patches across Windows 10 (versions 1607-22H2), Windows 11 (versions 22H3-26H1), and Windows Server 2012. …

RemediationAI

Within 24 hours: Inventory all Windows 10 (versions 1607-22H2), Windows 11 (versions 22H3-26H1), and Windows Server 2012 systems in your environment. Within 7 days: Apply Microsoft security patches to all affected systems (obtain specific KB numbers from Microsoft security bulletin for CVE-2026-34343). …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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EUVD-2026-29602 vulnerability details – vuln.today

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Windows AppID EUVD-2026-29602

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

Full analysis requires sign-in

More from same product – last 7 days

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External POC / Exploit Code