Security advisory
A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable system. However, an attacker would have limited control over the destination of the files and directories. To exploit the vulnerability, an attacker must send a specially crafted file to a vulnerable system. The security update fixes the vulnerability by ensuring .NET Core properly handles files.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-32175
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:19 UTC · Revision 1
Source evidence
A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable system. However, an attacker would have limited control over the destination of the files and directories. To exploit the vulnerability, an attacker must send a specially crafted file to a vulnerable system. The security update fixes the vulnerability by ensuring .NET Core properly handles files.
osv:CVE-2026-32175
Complete source record
{
"id": "99e6af5b8fcd466779b806a0bfcf6a19504301760be17c24c2136142132900f2",
"url": "https://osv.dev/vulnerability/CVE-2026-32175",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-32175",
"summary": "A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable system. However, an attacker would have limited control over the destination of the files and directories. To exploit the vulnerability, an attacker must send a specially crafted file to a vulnerable system. The security update fixes the vulnerability by ensuring .NET Core properly handles files.",
"evidence": "osv:CVE-2026-32175",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-32175",
"aliases": [
"BIT-dotnet-2026-32175",
"BIT-dotnet-sdk-2026-32175",
"CVE-2026-32175",
"GHSA-rg75-q538-x34v"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/dotnet/core",
"type": "GIT",
"events": [
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{
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{
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"database_specific": {
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{
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"range": [
{
"introduced": "8.0.0"
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{
"fixed": "8.0.27"
}
],
"source": "CPE_RANGE"
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{
"cpe": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
"range": [
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{
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"versions": [
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"v9.0.5",
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"v10.0.0-preview.3",
"v9.0.4",
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-32175.json"
}
}
],
"modified": "2026-10-24T10:31:06.006406130Z",
"provider": "osv",
"references": [
"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32175"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:visual_studio_2022",
"extracted_events": [
{
"range": [
{
"introduced": "17.12.0"
},
{
"fixed": "17.12.20"
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{
"introduced": "17.14.0"
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{
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{
"cpes": [
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],
"vendor_product": "microsoft:visual_studio_2026",
"extracted_events": [
{
"range": [
{
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{
"fixed": "18.5.3"
}
],
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}
},
"related_cves": [
{
"value": "CVE-2026-32175",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 440886,
"published_at": "2026-05-12T18:16:58.737+00:00"
}