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Vulnerability · Published Apr 11, 2023 · Assigned by microsoft

CVE-2023-28240Windows Network Load Balancing Remote Code Execution Vulnerability

High 8.8

In plain English

A high-severity heap buffer overflow in Windows Server 2008 R2 Service Pack 1 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 44.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Windows Network Load Balancing Remote Code Execution Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.4252
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.4252
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.1668
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.5850
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.5850
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.22015
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – before 6.0.6003.22015
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.22015
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.26466
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.26466
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.24216
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.24216
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.20919
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.20919

Weakness: CWE-122 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References