Detections
Analytics

KB5055596: Windows Server 2008 Security Update (April 2025)

high Nessus Plugin ID 234034

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Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 5055596. It is, therefore, affected by multiple vulnerabilities

 - Use after free in Windows Win32K - GRFX allows an unauthorized attacker to elevate privileges over a network. (CVE-2025-26687)

 - A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2025-27481)
- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges. (CVE-2025-27740)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Apply Security Update 5055596 or Cumulative Update 5055609

See Also

https://support.microsoft.com/help/5055596

https://support.microsoft.com/help/5055609

Plugin Details

Severity: High

ID: 234034

File Name: smb_nt_ms25_apr_5055596.nasl

Version: 1.1

Type: local

Agent: windows

Published: 4/8/2025

Updated: 4/8/2025

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.2

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2025-27481

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

CVSS Score Source: CVE-2025-27740

Vulnerability Information

CPE: cpe:/o:microsoft:windows_server_2008

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/8/2025

Vulnerability Publication Date: 4/8/2025

CISA Known Exploited Vulnerability Due Dates: 4/29/2025

Reference Information

CVE: CVE-2025-21191, CVE-2025-21197, CVE-2025-21203, CVE-2025-21204, CVE-2025-21205, CVE-2025-21221, CVE-2025-21222, CVE-2025-26641, CVE-2025-26647, CVE-2025-26663, CVE-2025-26664, CVE-2025-26665, CVE-2025-26667, CVE-2025-26668, CVE-2025-26669, CVE-2025-26670, CVE-2025-26672, CVE-2025-26673, CVE-2025-26676, CVE-2025-26679, CVE-2025-26686, CVE-2025-26687, CVE-2025-27469, CVE-2025-27471, CVE-2025-27473, CVE-2025-27474, CVE-2025-27477, CVE-2025-27478, CVE-2025-27481, CVE-2025-27484, CVE-2025-27727, CVE-2025-27732, CVE-2025-27733, CVE-2025-27737, CVE-2025-27740, CVE-2025-27741, CVE-2025-27742, CVE-2025-29810, CVE-2025-29824

MSFT: MS25-5055596, MS25-5055609

MSKB: 5055596, 5055609