CVE-2026-71328

HIGH CVSS 3.1: 8.8 EPSS 0.76%
Updated Sep 11, 2026
Microsoft
Parameter Value
CVSS 8.8 (HIGH)
Affected Versions 10.0.0 — 9.0.20
Fixed In 17.14.40
Type CWE-122 (Heap-based Buffer Overflow)
Vendor Microsoft
Public PoC No

Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 13

Configuration From (including) Up to (excluding)
Microsoft Visual_Studio_2022
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:-:*:*
17.14.0 17.14.40
Microsoft Visual_Studio_2026
cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*
18.9.0 18.9.3
Microsoft .Net
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
8.0.0 8.0.31
Microsoft .Net
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
9.0.0 9.0.20
Microsoft .Net
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
10.0.0 10.0.12
Microsoft .Net
cpe:2.3:a:microsoft:.net:11.0.0:preview1:*:*:*:*:*:*
— —
Microsoft .Net
cpe:2.3:a:microsoft:.net:11.0.0:preview2:*:*:*:*:*:*
— —
Microsoft .Net
cpe:2.3:a:microsoft:.net:11.0.0:preview3:*:*:*:*:*:*
— —
Microsoft .Net
cpe:2.3:a:microsoft:.net:11.0.0:preview4:*:*:*:*:*:*
— —
Microsoft .Net
cpe:2.3:a:microsoft:.net:11.0.0:preview5:*:*:*:*:*:*
— —
Microsoft .Net
cpe:2.3:a:microsoft:.net:11.0.0:preview6:*:*:*:*:*:*
— —
Microsoft .Net
cpe:2.3:a:microsoft:.net:11.0.0:preview7:*:*:*:*:*:*
— —
Microsoft Windows
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
— —