CVE-2025-47978 — Out-of-bounds Read in Microsoft Windows Server 2022

CWE-125 — Out-of-bounds Read5 documents4 sources
Severity
6.5MEDIUMNVD
EPSS
0.8%
top 25.49%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Microsoft Windows Server 2022Microsoft Windows Server 2025Microsoft Windows Server 2022 23h2+3 more
Timeline
PublishedJul 8

Description

Out-of-bounds read in Windows Kerberos allows an authorized attacker to deny service over a network.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages6 packages

▶NVDmicrosoft/windows< 10.0.20348.3932+2
▶CVEListV5microsoft/windows_server_202210.0.20348.0 — 10.0.20348.3932
▶CVEListV5microsoft/windows_server_202510.0.26100.0 — 10.0.26100.4652

🔴Vulnerability Details

1
GHSA
GHSA-wppg-5754-pf4w: Out-of-bounds read in Windows Kerberos allows an authorized attacker to deny service over a network↗2025-07-08
▶

📋Vendor Advisories

1
Microsoft
Windows Kerberos Denial of Service Vulnerability↗2025-07-08
▶

🕵️Threat Intelligence

2
Qualys
Microsoft and Adobe Patch Tuesday, July 2025 Security Update Review | Qualys↗2025-07-08
▶
Qualys
Microsoft and Adobe Patch Tuesday, July 2025 Security Update Review↗2025-07-08
▶
CVE-2025-47978 — Out-of-bounds Read in Microsoft | cvebase