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CVE-2024-26248

High Severity
Microsoft
SVRS
40/100

CVSSv3
7.5/10

EPSS
0.0327/1

CVE-2024-26248: Windows Kerberos Elevation of Privilege Vulnerability. This flaw allows an attacker to gain elevated privileges within a Windows system by exploiting a weakness in the Kerberos authentication protocol. While the CVSS score is 7.5 (High), SOCRadar's Vulnerability Risk Score (SVRS) is 40, suggesting a lower immediate risk compared to vulnerabilities with SVRS scores above 80. However, it's crucial to understand the potential impact of privilege elevation. Successful exploitation grants attackers significantly broader control over the affected system. This vulnerability can lead to unauthorized access to sensitive data, modification of system settings, or even complete system compromise. Although not critical based on SVRS, organizations should still apply the necessary patches provided by Microsoft to mitigate the risk and prevent potential exploitation. Addressing this flaw prevents attackers from escalating their access levels.

Vendor-advisory
CVSS:3.1
AV:N
AC:H
PR:L
UI:N
S:U
C:H
I:H
A:H
E:U
RL:O
RC:C
2024-04-09

2025-01-23

Indicators of Compromise

No IOCs found for this CVE

Exploits

No exploits found for this CVE

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News

The April 2024 Security Updates Review
Dustin Childs2024-04-09
The April 2024 Security Updates Review | It’s the second Tuesday of the month, and Adobe and Microsoft have released a fresh crop of security updates. Take a break from your other activities and join us as we review the details of their latest advisories. If you’d rather watch the full video recap covering the entire release, you can check it out here: Adobe Patches for April 2024For April, Adobe released nine patches addressing
cve-2024-28917
cve-2024-28926
cve-2024-26217
cve-2024-28943
CVE-2024-26248 | Microsoft Windows up to Server 2022 23H2 Kerberos unknown vulnerability
vuldb.com2024-05-15
CVE-2024-26248 | Microsoft Windows up to Server 2022 23H2 Kerberos unknown vulnerability | A vulnerability has been found in Microsoft Windows and classified as critical. This vulnerability affects unknown code of the component Kerberos. The manipulation leads to incorrect implementation of authentication algorithm. This vulnerability was named CVE-2024-26248. The attack can be initiated remotely. There is no exploit available. It is recommended
cve-2024-26248
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Social Media

Does this "Immediate Action: Enforce PAC Validation for CVE-2024-26248 & CVE-2024-29056" https://t.co/bDrBl3zAzT mean that all Windows clients must be April LCU patched prior to the domain controller's receiving the April LCU? @jarwidmark @miketerrill @Mister_MDM
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How to manage PAC Validation changes related to CVE-2024-26248 and CVE-2024-29056 - Microsoft Support https://t.co/voMhjDJHEa #WindowsForum #TheWindowsForum #ThumperDC #ThumperTM
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Microsoft fixed Windows CVE-2024-26248, CVE-2024-29056 Kerberos PAC validation flaw - Neowin https://t.co/BRCwR56w7z https://t.co/AnegT5OLbU
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Affected Software

Configuration 1
TypeVendorProduct
OSMicrosoftwindows_10_1607
OSMicrosoftwindows_10_1507
OSMicrosoftwindows_10_21h2
OSMicrosoftwindows_10_1809
OSMicrosoftwindows_11_22h2
OSMicrosoftwindows_server_2022
OSMicrosoftwindows_server_2016
OSMicrosoftwindows_11_21h2
OSMicrosoftwindows_server_2008
OSMicrosoftwindows_10_22h2
OSMicrosoftwindows_server_2019
OSMicrosoftwindows_11_23h2
OSMicrosoftwindows_server_2022_23h2
OSMicrosoftwindows_server_2012

References

ReferenceLink
[email protected]https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26248
AF854A3A-2127-422B-91AE-364DA2661108https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26248
[email protected]https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26248
WINDOWS KERBEROS ELEVATION OF PRIVILEGE VULNERABILITYhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26248

CWE Details

CWE IDCWE NameDescription
CWE-303Incorrect Implementation of Authentication AlgorithmThe requirements for the software dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.

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