NVD

CVE-2026-32177 Detail

Modified After Enrichment

This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.

Description

Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

Nist CVSS score does not match with CNA score

CNA: Microsoft Corporation

Base Score: 7.3 HIGH

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

ADP: redhat-SADP

Base Score: 7.3 HIGH

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://access.redhat.com/security/cve/CVE-2026-32177	redhat-SADP
https://bugzilla.redhat.com/show_bug.cgi?id=2476664	redhat-SADP
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32177	Microsoft Corporation	Vendor Advisory
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32177.json	redhat-SADP

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	NIST
CWE-20	Improper Input Validation	Microsoft Corporation
CWE-122	Heap-based Buffer Overflow	redhat-SADP Microsoft Corporation

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

CVE Modified by redhat-SADP 6/29/2026 11:18:29 PM

Action	Type	New Value
Added	CVSS V3.1	AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Added	CWE	CWE-122
Added	Reference	https://access.redhat.com/security/cve/CVE-2026-32177
Added	Reference	https://bugzilla.redhat.com/show_bug.cgi?id=2476664
Added	Reference	https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32177.json
Added	Affected	[{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:10"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:8"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:9"]},{"vendor":"Red Hat","product":"Red Hat Hardened Images","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:hummingbird:1"]}]

CVE Modified by Microsoft Corporation 6/19/2026 1:16:17 PM

Action

Type

Old Value

New Value

Changed

Affected

Record truncated, showing 2048 of 3414 characters.
View Entire Change Record

[{"vendor":"Microsoft","product":".NET 10.0","versions":[{"version":"10.0.0","lessThan":"10.0.8","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":".NET 8.0","versions":[{"version":"8.0.0","lessThan":"8.0.27","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":".NET 9.0","versions":[{"version":"9.0.0","lessThan":"9.0.16","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5","platforms":["Windows Server 2012","Windows Server 2012 R2"],"versions":[{"version":"3.5.0","lessThan":"4.8.9334.0 and 4.8.4802.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2","platforms":["Windows 10 Version 1809 for ARM64-based Systems","Windows 10 Version 1809 for x64-based Systems","Windows Server 2019"],"versions":[{"version":"4.7.0","lessThan":"4.8.9334.0 and 4.8.4802.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8","platforms":["Windows 10 Version 1809 for ARM64-based Systems","Windows 10 Version 1809 for x64-based Systems","Windows 10 Version 21H2 for x64-based Systems","Windows 10 Version 22H2 for ARM64-based Systems","Windows 10 Version 22H2 for x64-based Systems","Windows Server 2019","Windows Server 2022"],"versions":[{"version":"4.8.0","lessThan":"4.8.9334.0 and 4.8.4802.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8.1","platforms":["Windows 10 Version 21H2 for ARM64-based Systems","Windows 10 Version 22H2 for ARM64-based Systems","Windows 10 Version 22H2 for x64-based Systems","Windows 11 Version 22H2 for x64-based Systems","Windows 11 Version 23H2 for x64-based Systems","Windows 11 Version 24H2 for ARM64-based Systems","Windows 11 Version 24H2 for x64-based Systems","Windows 11 Version 25H2 for ARM64-based Systems","Windows 11 Version 25H2 for x64-based Systems","Windows 11 Version 26H1 for ARM64-based System

Record truncated, showing 2048 of 3310 characters.
View Entire Change Record

[{"vendor":"Microsoft","product":".NET 10.0","versions":[{"version":"10.0.0","lessThan":"10.0.8","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":".NET 8.0","versions":[{"version":"8.0.0","lessThan":"8.0.27","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":".NET 9.0","versions":[{"version":"9.0.0","lessThan":"9.0.16","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5","platforms":["Windows Server 2012","Windows Server 2012 R2"],"versions":[{"version":"3.5.0","lessThan":"4.8.9334.0 and 4.8.4802.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2","platforms":["Windows 10 Version 1809 for ARM64-based Systems","Windows 10 Version 1809 for x64-based Systems","Windows Server 2019"],"versions":[{"version":"4.7.0","lessThan":"4.8.9334.0 and 4.8.4802.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8","platforms":["Windows 10 Version 1809 for ARM64-based Systems","Windows 10 Version 1809 for x64-based Systems","Windows 10 Version 21H2 for x64-based Systems","Windows 10 Version 22H2 for ARM64-based Systems","Windows 10 Version 22H2 for x64-based Systems","Windows Server 2019","Windows Server 2022"],"versions":[{"version":"4.8.0","lessThan":"4.8.9334.0 and 4.8.4802.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8.1","platforms":["Windows 10 Version 21H2 for ARM64-based Systems","Windows 10 Version 22H2 for ARM64-based Systems","Windows 10 Version 22H2 for x64-based Systems","Windows 11 Version 23H2 for x64-based Systems","Windows 11 Version 24H2 for ARM64-based Systems","Windows 11 Version 24H2 for x64-based Systems","Windows 11 Version 25H2 for ARM64-based Systems","Windows 11 Version 25H2 for x64-based Systems","Windows 11 Version 26H1 for ARM64-based Systems","Windows 11 version 26H1 for x64-based System

Initial Analysis by NIST 6/18/2026 1:28:41 PM

Action	Type	New Value
Added	CWE	CWE-787
Added	CPE Configuration	AND OR cpe:2.3:a:microsoft:.net::::::::* versions from (including) 10.0.0 up to (excluding) 10.0.8 cpe:2.3:a:microsoft:.net::::::::* versions from (including) 8.0.0 up to (excluding) 8.0.27 cpe:2.3:a:microsoft:.net::::::::* versions from (including) 9.0.0 up to (excluding) 9.0.16 OR cpe:2.3:o:microsoft:windows:-:::::::*
Added	CPE Configuration	AND OR cpe:2.3:a:microsoft:.net_framework:3.5::::::: cpe:2.3:a:microsoft:.net_framework:4.8.1::::::: OR cpe:2.3:o:microsoft:windows_server_2022:-:::::::* cpe:2.3:o:microsoft:windows_11_22h2:-::::::x64: cpe:2.3:o:microsoft:windows_10_22h2:-::::::x64: cpe:2.3:o:microsoft:windows_10_21h2:-::::::arm64: cpe:2.3:o:microsoft:windows_10_22h2:-::::::arm64: cpe:2.3:o:microsoft:windows_11_23h2:-::::::x64: cpe:2.3:o:microsoft:windows_11_24h2:-::::::x64: cpe:2.3:o:microsoft:windows_11_24h2:-::::::arm64: cpe:2.3:o:microsoft:windows_11_25h2:-::::::arm64: cpe:2.3:o:microsoft:windows_11_25h2:-::::::x64: cpe:2.3:o:microsoft:windows_11_26h1:-::::::arm64: cpe:2.3:o:microsoft:windows_11_26h1:-::::::x64: cpe:2.3:o:microsoft:windows_server_2025:-::::::x64:
Added	CPE Configuration	AND OR cpe:2.3:a:microsoft:.net_framework:3.5::::::: cpe:2.3:a:microsoft:.net_framework:4.8::::::: OR cpe:2.3:o:microsoft:windows_server_2019:-:::::::* cpe:2.3:o:microsoft:windows_10_1809:-::::::x64: cpe:2.3:o:microsoft:windows_10_21h2:-::::::x64: cpe:2.3:o:microsoft:windows_10_22h2:-::::::x64: cpe:2.3:o:microsoft:windows_10_22h2:-::::::arm64: cpe:2.3:o:microsoft:windows_10_1809:-::::::arm64: cpe:2.3:o:microsoft:windows_server_2025:-::::::x64:
Added	CPE Configuration	AND OR cpe:2.3:a:microsoft:.net_framework:3.5::::::: OR cpe:2.3:o:microsoft:windows_server_2012:r2:::::::* cpe:2.3:o:microsoft:windows_server_2012:-:::::::*
Added	CPE Configuration	AND OR cpe:2.3:a:microsoft:.net_framework:4.6.2::::::: cpe:2.3:a:microsoft:.net_framework:4.7::::::: cpe:2.3:a:microsoft:.net_framework:4.7.1::::::: cpe:2.3:a:microsoft:.net_framework:4.7.2::::::: OR cpe:2.3:o:microsoft:windows_server_2012:r2:::::::* cpe:2.3:o:microsoft:windows_server_2012:-:::::::*
Added	CPE Configuration	AND OR cpe:2.3:a:microsoft:.net_framework:4.8::::::: OR cpe:2.3:o:microsoft:windows_server_2012:r2:::::::* cpe:2.3:o:microsoft:windows_server_2016:-:::::::* cpe:2.3:o:microsoft:windows_server_2012:-:::::::* cpe:2.3:o:microsoft:windows_10_1607:-::::::x64:
Added	CPE Configuration	OR cpe:2.3:a:microsoft:visual_studio_2022::::::-:: versions from (including) 17.12.0 up to (excluding) 17.12.20 cpe:2.3:a:microsoft:visual_studio_2022::::::-:: versions from (including) 17.14.0 up to (excluding) 17.14.32 cpe:2.3:a:microsoft:visual_studio_2026::::::::* versions from (including) 18.5.0 up to (excluding) 18.5.3
Added	Reference Type	Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32177 Types: Vendor Advisory

CVE Modified by Microsoft Corporation 6/17/2026 6:35:17 AM