CVE-2023-45232HighMicrosoft CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Microsoft security update for CVE-2023-45232

Published
May 31, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2023-45232 →

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-45232. This page also shows what EchelonGraph holds for CVE-2023-45232, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products8

  • azl3 edk2 20230301gitf80f052277c8-37 on Azure Linux 3.0
  • azl3 edk2 20240223gitedc6681206c1-1 on Azure Linux 3.0
  • cbl2 edk2 20230301gitf80f052277c8-40 on CBL Mariner 2.0
  • cbl2 edk2 20230301gitf80f052277c8-41 on CBL Mariner 2.0
  • cbl2 edk2 20230301gitf80f052277c8-41 on CBL-Mariner 2.0
  • cbl2 hvloader 1.0.1-11 on CBL Mariner 2.0
  • cbl2 hvloader 1.0.1-11 on CBL-Mariner 2.0
  • cbl2 hvloader 1.0.1-9 on CBL Mariner 2.0

✅ Updates Microsoft lists: 4 updates

4 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.

KB articleUpdateFixed build
—Security Update20240223gitedc6681206c1-1
—Security Update20230301gitf80f052277c8-40
—Security Update1.0.1-9
—Security Update1.0.1-3

🧭 EchelonGraph on CVE-2023-45232

EchelonGraph score
7.5 HIGH
CISA KEV
Not listed
Fix status
A fix is available — apply it.

Description from the CVE record (CVE.org), as published by its numbering authority

EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability.

Published by TianoCore.org, the CVE Numbering Authority that assigned CVE-2023-45232, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 References (2)