6.7

CVE-2026-21530

Medienbericht

Windows Rich Text Edit Elevation of Privilege Vulnerability

Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 1607 HwPlatform x64 Version < 10.0.14393.9140
Microsoft ≫ Windows 10 1607 HwPlatform x86 Version < 10.0.14393.9140
Microsoft ≫ Windows 10 1809 HwPlatform x64 Version < 10.0.17763.8755
Microsoft ≫ Windows 10 1809 HwPlatform x86 Version < 10.0.17763.8755
Microsoft ≫ Windows 10 21h2 HwPlatform arm64 Version < 10.0.19044.7291
Microsoft ≫ Windows 10 21h2 HwPlatform x64 Version < 10.0.19044.7291
Microsoft ≫ Windows 10 21h2 HwPlatform x86 Version < 10.0.19044.7291
Microsoft ≫ Windows 10 22h2 HwPlatform arm64 Version < 10.0.19045.7291
Microsoft ≫ Windows 10 22h2 HwPlatform x64 Version < 10.0.19045.7291
Microsoft ≫ Windows 10 22h2 HwPlatform x86 Version < 10.0.19045.7291
Microsoft ≫ Windows 11 23h2 HwPlatform arm64 Version < 10.0.22631.7079
Microsoft ≫ Windows 11 23h2 HwPlatform x64 Version < 10.0.22631.7079
Microsoft ≫ Windows 11 24h2 HwPlatform arm64 Version < 10.0.26100.8390
Microsoft ≫ Windows 11 24h2 HwPlatform x64 Version < 10.0.26100.8390
Microsoft ≫ Windows 11 25h2 HwPlatform arm64 Version < 10.0.26200.8457
Microsoft ≫ Windows 11 25h2 HwPlatform x64 Version < 10.0.26200.8457
Microsoft ≫ Windows 11 26h1 HwPlatform arm64 Version < 10.0.28000.2113
Microsoft ≫ Windows 11 26h1 HwPlatform x64 Version < 10.0.28000.2113
Microsoft ≫ Windows Server 2016 Version < 10.0.14393.9140
Microsoft ≫ Windows Server 2019 Version < 10.0.17763.8755
Microsoft ≫ Windows Server 2022 Version < 10.0.20348.5139
Microsoft ≫ Windows Server 2022 23h2 Version < 10.0.25398.2330
Microsoft ≫ Windows Server 2025 Version < 10.0.26100.32860
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.32% 0.234
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 6.7 0.8 5.9
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
CWE-415 Double Free

The product calls free() twice on the same memory address.

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VulnDex Intel
Media Report
12.05.2026 20:20
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21530
Vendor Advisory