CVE-2026-21530

Medienbericht

EPSS 0.05%
Veröffentlicht 12.05.2026 16:58:16
Zuletzt bearbeitet 14.05.2026 14:56:04
Quelle secure@microsoft.com
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Windows Rich Text Edit Elevation of Privilege Vulnerability

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

Betroffene Produkte Warnungen 0 Metriken 2 CWE 1 Referenzen 5

NVD 25 VulnDex Vulnerability Enrichment 8

Daten sind bereitgestellt durch National Vulnerability Database (NVD)

Microsoft ≫ Windows 10 1607 HwPlatformx64 Version < 10.0.14393.9140

Microsoft ≫ Windows 10 1607 HwPlatformx86 Version < 10.0.14393.9140

Microsoft ≫ Windows 10 1809 HwPlatformx64 Version < 10.0.17763.8755

Microsoft ≫ Windows 10 1809 HwPlatformx86 Version < 10.0.17763.8755

Microsoft ≫ Windows 10 21h2 HwPlatformarm64 Version < 10.0.19044.7291

Microsoft ≫ Windows 10 21h2 HwPlatformx64 Version < 10.0.19044.7291

Microsoft ≫ Windows 10 21h2 HwPlatformx86 Version < 10.0.19044.7291

Microsoft ≫ Windows 10 22h2 HwPlatformarm64 Version < 10.0.19045.7291

Microsoft ≫ Windows 10 22h2 HwPlatformx64 Version < 10.0.19045.7291

Microsoft ≫ Windows 10 22h2 HwPlatformx86 Version < 10.0.19045.7291

Microsoft ≫ Windows 11 23h2 HwPlatformarm64 Version < 10.0.22631.7079

Microsoft ≫ Windows 11 23h2 HwPlatformx64 Version < 10.0.22631.7079

Microsoft ≫ Windows 11 24h2 HwPlatformarm64 Version < 10.0.26100.8390

Microsoft ≫ Windows 11 24h2 HwPlatformx64 Version < 10.0.26100.8390

Microsoft ≫ Windows 11 25h2 HwPlatformarm64 Version < 10.0.26200.8457

Microsoft ≫ Windows 11 25h2 HwPlatformx64 Version < 10.0.26200.8457

Microsoft ≫ Windows 11 26h1 HwPlatformarm64 Version < 10.0.28000.2113

Microsoft ≫ Windows 11 26h1 HwPlatformx64 Version < 10.0.28000.2113

Microsoft ≫ Windows Server 2012 Version-

Microsoft ≫ Windows Server 2012 Versionr2

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.

Zu dieser CVE wurde keine Warnung gefunden.

EPSS Metriken
Typ	Quelle	Score	Percentile
EPSS	FIRST.org	0.05%	0.164

CVSS Metriken
Quelle	Base Score	Exploit Score	Impact Score	Vector String
secure@microsoft.com	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, potentially leading to modification of unexpected memory locations.

https://www.bleepingcomputer.com/news/microsoft/microsoft-may-2026-patch-tuesday-fixes-120-flaws-no-zero-days/

Media Report

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21530

Vendor Advisory

https://nvd.nist.gov/vuln/detail/CVE-2026-21530

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2026-21530

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2026-21530

EUVD

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CVE-2026-21530