CVE-2025-49735 — Use After Free in Microsoft Windows Server 2012

CWE-416 — Use After Free10 documents8 sources
Severity
8.1HIGHNVD
EPSS
0.4%
top 39.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Microsoft Windows Server 2012Microsoft Windows Server 2012 R2Microsoft Windows Server 2016+4 more
Timeline
PublishedJul 8

Description

Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.2 | Impact: 5.9

Affected Packages7 packages

▶NVDmicrosoft/windows< 10.0.14393.8148+5
▶CVEListV5microsoft/windows_server_20126.2.9200.0 — 6.2.9200.25522
▶CVEListV5microsoft/windows_server_201610.0.14393.0 — 10.0.14393.8148
▶CVEListV5microsoft/windows_server_201910.0.17763.0 — 10.0.17763.7434
▶CVEListV5microsoft/windows_server_202210.0.20348.0 — 10.0.20348.3807

🔴Vulnerability Details

2
CVEList
Windows KDC Proxy Service (KPSSVC) Remote Code Execution Vulnerability↗2025-07-08
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GHSA
GHSA-hq3j-8wc4-4985: Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network↗2025-07-08
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📋Vendor Advisories

1
Microsoft
Windows KDC Proxy Service (KPSSVC) Remote Code Execution Vulnerability↗2025-07-08
▶

🕵️Threat Intelligence

6
Qualys
Microsoft and Adobe Patch Tuesday, July 2025 Security Update Review | Qualys↗2025-07-08
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Talos
Microsoft Patch Tuesday for July 2025 — Snort rules and prominent vulnerabilities↗2025-07-08
▶
Talos
Microsoft Patch Tuesday for July 2025 — Snort rules and prominent vulnerabilities↗2025-07-08
▶
Tenable
Microsoft’s July 2025 Patch Tuesday Addresses 128 CVEs (CVE-2025-49719)↗2025-07-08
▶
Qualys
Microsoft and Adobe Patch Tuesday, July 2025 Security Update Review↗2025-07-08
▶
CVE-2025-49735 — Use After Free in Microsoft | cvebase