PT-2026-32855 · Microsoft+3 · Visual Studio+4

Ludvig Pedersen + 1 · Published 2026-04-14 · Updated 2026-05-07 · CVE-2026-32203

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions .NET (affected versions not specified) Visual Studio (affected versions not specified)

Description A stack-based buffer overflow allows an unauthorized attacker to cause a denial of service over a network. A stack-based buffer overflow occurs when a program writes more data to a buffer located on the stack than the buffer is allocated to hold, potentially overwriting adjacent memory.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Stack Overflow

Weakness Enumeration

CWE-20

CWE-121

Related Identifiers

ALSA-2026:8468

ALSA-2026:8469

ALSA-2026:8470

ALSA-2026:8472

ALSA-2026:8473

ALSA-2026:8475

BDU:2026-05477

BIT-DOTNET-2026-32203

BIT-DOTNET-SDK-2026-32203

CVE-2026-32203

RHSA-2026:13693

RHSA-2026:8467

RHSA-2026:8468

RHSA-2026:8469

RHSA-2026:8470

RHSA-2026:8471

RHSA-2026:8472

RHSA-2026:8473

RHSA-2026:8474

RHSA-2026:8475

RHSA-2026:9077

RHSA-2026:9080

RHSA-2026:9205

USN-8176-1

USN-8216-1

Affected Products

.Net Framework

Linuxmint

Rocky Linux

Ubuntu

Visual Studio

References · 59

• https://ubuntu.com/security/CVE-2026-40372 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-32203 · Security Note
• https://osv.dev/vulnerability/ALSA-2026:8473 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2026:8471 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2026-8469.html · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2026:8475 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2026:8469 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2026:8474 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2026-8475.html · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-32203 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32203 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-33116 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-dotnet-2026-32203 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2026:8468 · Vendor Advisory
• https://errata.almalinux.org/10/ALSA-2026-8470.html · Vendor Advisory