⚠ Actively exploited
Added to CISA KEV on 2025-05-13. Federal agencies required to patch by 2025-06-03. Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable..

CVE-2025-30400 — Use After Free in Microsoft Windows 10 Version 1809

CWE-416 — Use After Free15 documents12 sources
Severity
7.8HIGHNVD
EPSS
0.8%
top 26.76%
CISA KEV
KEV
Added 2025-05-13
Due 2025-06-03
Exploit
No known exploits
Affected products
17
Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2Microsoft Windows 10 Version 22h2+14 more
Timeline
PublishedMay 13
KEV addedMay 13
Latest updateMay 14
KEV dueJun 3
CISA Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Description

Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages17 packages

▶NVDmicrosoft/windows< 10.0.17763.7314+3
▶NVDmicrosoft/windows_10_1809< 10.0.17763.7314
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.5854
▶NVDmicrosoft/windows_10_22h2< 10.0.19045.5854
▶NVDmicrosoft/windows_11_22h2< 10.0.22621.5335

🔴Vulnerability Details

3
GHSA
GHSA-vvr8-g6jj-jwrw: Use after free in Windows DWM allows an authorized attacker to elevate privileges locally↗2025-05-13
▶
CVEList
Microsoft DWM Core Library Elevation of Privilege Vulnerability↗2025-05-13
▶
VulnCheck
Microsoft Windows DWM Core Library Use-After-Free Vulnerability↗2025
▶

📋Vendor Advisories

2
Microsoft
Microsoft DWM Core Library Elevation of Privilege Vulnerability↗2025-05-13
▶
CISA
Microsoft Windows DWM Core Library Use-After-Free Vulnerability↗2025-05-13
▶

🕵️Threat Intelligence

9
Krebs
Patch Tuesday, May 2025 Edition↗2025-05-14
▶
Krebs
Patch Tuesday, May 2025 Edition↗2025-05-14
▶
Tenable
Microsoft’s May 2025 Patch Tuesday Addresses 71 CVEs (CVE-2025-32701, CVE-2025-32706, CVE-2025-30400)↗2025-05-13
▶
Qualys
Microsoft and Adobe Patch Tuesday, May 2025 Security Update Review↗2025-05-13
▶
Qualys
Microsoft and Adobe Patch Tuesday, May 2025 Security Update Review | Qualys↗2025-05-13
▶
CVE-2025-30400 — Use After Free in Microsoft | cvebase