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Vulnerabilities

CVE-2026-21530

Medium
CWE-415 — Weakness Type
Published: May 12, 2026  ·  Modified: May 15, 2026  ·  Source: NVD
CVSS v3
6.7
🔗 NVD Official
📄 Description (English)

Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally.

🤖 AI Executive Summary

A double free vulnerability in Windows Rich Text Edit component allows authorized local attackers to elevate privileges. This affects Windows systems where RichEdit is used for text processing applications.

📄 Description (Arabic)

ثغرة تحرير مزدوج في مكون Rich Text Edit في Windows تسمح لمهاجم مصرح محليًا بتنفيذ كود عشوائي برفع امتيازات. تؤثر الثغرة على التطبيقات التي تستخدم مكتبة RichEdit لمعالجة النصوص المنسقة.

🤖 ملخص تنفيذي (AI)

ثغرة تحرير مزدوج في مكون Windows Rich Text Edit تسمح للمهاجمين المصرحين محليًا برفع الامتيازات. يؤثر هذا على أنظمة Windows حيث يتم استخدام RichEdit في تطبيقات معالجة النصوص.

🤖 AI Intelligence Analysis Analyzed: May 13, 2026 14:05
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
government banking healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.0
/ 10.0
🔧 Remediation Steps (English)
Apply Windows security updates immediately. Restrict local access to systems running RichEdit-dependent applications. Implement principle of least privilege for user accounts. Monitor for suspicious privilege escalation attempts.
🔧 خطوات المعالجة (العربية)
تطبيق تحديثات أمان Windows فوراً. تقييد الوصول المحلي للأنظمة التي تعتمد على RichEdit. تطبيق مبدأ أقل امتياز للحسابات. مراقبة محاولات رفع الامتيازات المريبة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1.1 5.1.2
🔵 SAMA CSF
CC-6.1 CC-6.2
🟡 ISO 27001:2022
A.12.2.1 A.14.2.1
📦 Affected Products / CPE 25 entries
microsoft:windows_10_1607
microsoft:windows_10_1607
microsoft:windows_10_1809
microsoft:windows_10_1809
microsoft:windows_10_21h2
microsoft:windows_10_21h2
microsoft:windows_10_21h2
microsoft:windows_10_22h2
microsoft:windows_10_22h2
microsoft:windows_10_22h2
microsoft:windows_11_23h2
microsoft:windows_11_23h2
microsoft:windows_11_24h2
microsoft:windows_11_24h2
microsoft:windows_11_25h2
microsoft:windows_11_25h2
microsoft:windows_11_26h1
microsoft:windows_11_26h1
microsoft:windows_server_2012:-
microsoft:windows_server_2012:r2
microsoft:windows_server_2016
microsoft:windows_server_2019
microsoft:windows_server_2022
microsoft:windows_server_2022_23h2
microsoft:windows_server_2025
📊 CVSS Score
6.7
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack VectorL — Low / Local
Attack ComplexityH — High
Privileges RequiredL — Low / Local
User InteractionR — Required
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity Medium
CVSS Score6.7
CWECWE-415
EPSS0.05%
Exploit No
Patch ✗ No
Published 2026-05-12
Source Feed nvd
🇸🇦 Saudi Risk Score
7.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-415
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