CVE-2026-32203
.NET and Visual Studio Denial of Service Vulnerability
Что произошло
Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.
Что это значит
Компонент может записать данные за границами выделенной памяти. Последствия зависят от условий атаки и прав процесса.
Что делать
1. Проверьте, затронуты ли вы
Соберите инвентаризацию и сравните с таблицей затронутых версий. Эти команды только показывают установленные компоненты и сами по себе не доказывают наличие CVE.
dpkg-query -W -f='${Package} ${Version}\n'rpm -qa --qf '%{NAME}\t%{VERSION}-%{RELEASE}\n'Get-HotFix | Select-Object HotFixID, InstalledOn
2. Установите исправление
RHSA-2026:13281: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)
RHSA-2026:13280: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)
RHSA-2026:8467: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
RHSA-2026:8470: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
RHSA-2026:8472: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
RHSA-2026:8473: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8)
RHSA-2026:8468: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8)
RHSA-2026:8475: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8)
RHSA-2026:13693: Red Hat CodeReady Linux Builder EUS (v.9.4), Red Hat Enterprise Linux AppStream EUS (v.9.4)
RHSA-2026:13283: Red Hat CodeReady Linux Builder EUS (v.9.6), Red Hat Enterprise Linux AppStream EUS (v.9.6)
RHSA-2026:13282: Red Hat CodeReady Linux Builder EUS (v.9.6), Red Hat Enterprise Linux AppStream EUS (v.9.6)
RHSA-2026:8471: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
RHSA-2026:8469: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
RHSA-2026:8474: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
RHSA-2026:9077: Red Hat Hardened Images
RHSA-2026:9080: Red Hat Hardened Images
RHSA-2026:9205: Red Hat Hardened Images
3. Временные меры
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
4. Проверьте следы эксплуатации
Проверьте аномальные входы, новые учётные записи, ошибки и необычные дочерние процессы в затронутом сервисе. Публичные проверенные правила обнаружения не включены в запись; отсутствие сигналов не доказывает отсутствие компрометации.
5. После исправления
- Проверьте фактическую версию и результат установки по бюллетеню.
- При необходимости перезапустите сервисы в согласованное окно.
- Повторите проверку сканером и функциональные проверки.
- Зафиксируйте результат, дату, владельца и оставшийся риск.
Продукты и затронутые версии
Microsoft / .NET 10.0
{
"status": "affected",
"version": "10.0.0",
"lessThan": "10.0.6",
"versionType": "custom"
}Microsoft / .NET 8.0
{
"status": "affected",
"version": "8.0.0",
"lessThan": "8.0.26",
"versionType": "custom"
}Microsoft / .NET 9.0
{
"status": "affected",
"version": "9.0.0",
"lessThan": "9.0.15",
"versionType": "custom"
}Microsoft / Microsoft Visual Studio 2022 version 17.12
{
"status": "affected",
"version": "17.12.0",
"lessThan": "17.12.19",
"versionType": "custom"
}Microsoft / Microsoft Visual Studio 2022 version 17.14
{
"status": "affected",
"version": "17.14.0",
"lessThan": "17.14.30",
"versionType": "custom"
}Microsoft / Microsoft Visual Studio 2026 version 18.4
{
"status": "affected",
"version": "18.4.0",
"lessThan": "18.4.4",
"versionType": "custom"
}Red Hat / Red Hat Enterprise Linux 10
{
"status": "unaffected",
"version": "0:10.0.106-1.el10_1",
"lessThan": "*",
"versionType": "rpm"
}cpe:/o:redhat:enterprise_linux:10.1
Red Hat / Red Hat Enterprise Linux 10
{
"status": "unaffected",
"version": "0:8.0.126-1.el10_1",
"lessThan": "*",
"versionType": "rpm"
}cpe:/o:redhat:enterprise_linux:10.1
Red Hat / Red Hat Enterprise Linux 10
{
"status": "unaffected",
"version": "0:9.0.116-1.el10_1",
"lessThan": "*",
"versionType": "rpm"
}cpe:/o:redhat:enterprise_linux:10.1
Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Support
{
"status": "unaffected",
"version": "0:9.0.116-1.el10_0",
"lessThan": "*",
"versionType": "rpm"
}cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Support
{
"status": "unaffected",
"version": "0:8.0.126-1.el10_0",
"lessThan": "*",
"versionType": "rpm"
}cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat / Red Hat Enterprise Linux 8
{
"status": "unaffected",
"version": "0:8.0.126-1.el8_10",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:enterprise_linux:8
Red Hat / Red Hat Enterprise Linux 8
{
"status": "unaffected",
"version": "0:10.0.106-1.el8_10",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:enterprise_linux:8
Red Hat / Red Hat Enterprise Linux 8
{
"status": "unaffected",
"version": "0:9.0.116-1.el8_10",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:enterprise_linux:8
Red Hat / Red Hat Enterprise Linux 9
{
"status": "unaffected",
"version": "0:8.0.126-1.el9_7",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:enterprise_linux:9
Red Hat / Red Hat Enterprise Linux 9
{
"status": "unaffected",
"version": "0:10.0.106-1.el9_7",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:enterprise_linux:9
Red Hat / Red Hat Enterprise Linux 9
{
"status": "unaffected",
"version": "0:9.0.116-1.el9_7",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:enterprise_linux:9
Red Hat / Red Hat Enterprise Linux 9.4 Extended Update Support
{
"status": "unaffected",
"version": "0:8.0.126-1.el9_4",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_eus:9.4
Red Hat / Red Hat Enterprise Linux 9.6 Extended Update Support
{
"status": "unaffected",
"version": "0:9.0.116-1.el9_6",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_eus:9.6
Red Hat / Red Hat Enterprise Linux 9.6 Extended Update Support
{
"status": "unaffected",
"version": "0:8.0.126-1.el9_6",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_eus:9.6
Red Hat / Red Hat Hardened Images
{
"status": "unaffected",
"version": "10.0.106-1.hum1",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:hummingbird:1
Red Hat / Red Hat Hardened Images
{
"status": "unaffected",
"version": "8.0.126-1.hum1",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:hummingbird:1
Red Hat / Red Hat Hardened Images
{
"status": "unaffected",
"version": "9.0.116-1.hum1",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:hummingbird:1
microsoft / .net
{
"status": "affected",
"version": "*",
"versionEndExcluding": "10.0.6",
"versionStartIncluding": "10.0.0"
}cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
microsoft / .net
{
"status": "affected",
"version": "*",
"versionEndExcluding": "8.0.26",
"versionStartIncluding": "8.0.0"
}cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
microsoft / .net
{
"status": "affected",
"version": "*",
"versionEndExcluding": "9.0.15",
"versionStartIncluding": "9.0.0"
}cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
microsoft / visual_studio_2022
{
"status": "affected",
"version": "*",
"versionEndExcluding": "17.12.19",
"versionStartIncluding": "17.12.0"
}cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
microsoft / visual_studio_2022
{
"status": "affected",
"version": "*",
"versionEndExcluding": "17.14.30",
"versionStartIncluding": "17.14.0"
}cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:-:*:*
microsoft / visual_studio_2026
{
"status": "affected",
"version": "*",
"versionEndExcluding": "18.4.4",
"versionStartIncluding": "18.4.0"
}cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*
CVSS: оценки и векторы
CVSS 3.1 · cve7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
CVSS 3.1 · cve7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 · secure@microsoft.com7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Источники и ссылки
Происхождение полей
{
"cwes": [
"cve",
"nvd"
],
"epss": {
"source": "epss",
"received_at": "2026-11-04T21:16:27.835589+00:00"
},
"title": {
"source": "cve",
"received_at": "2026-10-28T19:55:37.517499+00:00"
},
"scores": [
"cve",
"nvd"
],
"status": {
"source": "cve",
"received_at": "2026-10-28T19:55:37.517499+00:00"
},
"affected": [
"cve",
"nvd"
],
"published": {
"source": "cve",
"received_at": "2026-10-28T19:55:37.517499+00:00"
},
"solutions": [
"cve"
],
"percentile": {
"source": "epss",
"received_at": "2026-11-04T21:16:27.835589+00:00"
},
"references": [
"cve",
"nvd"
],
"description": {
"source": "cve",
"received_at": "2026-10-28T19:55:37.517499+00:00"
},
"workarounds": [
"cve"
],
"configurations": [
"nvd"
]
}Хронология записи
- Данные обновлены05.11.2026, 00:16
- Данные обновлены04.11.2026, 00:13
- Данные обновлены03.11.2026, 00:12
- Данные обновлены02.11.2026, 00:10
- Данные обновлены31.10.2026, 11:58
- Появились сведения об исправлении28.10.2026, 22:55
- Данные обновлены28.10.2026, 18:06
- Опубликована28.10.2026, 15:11
Личная заметка и статус
Другие CVE того же продукта
| УЯЗВИМОСТЬ / ПРОДУКТ | ПРИОРИТЕТ | CVSS | EPSS | СИГНАЛЫ | ОПУБЛИКОВАНА | Карточка |
|---|---|---|---|---|---|---|
| CVE-2026-32178 .NET Spoofing Vulnerability Microsoft / .NET 10.0 · Microsoft / .NET 8.0 | Высокий | 7.5 | 2,28 % | Патч | 14.04.2026 | |
| CVE-2026-26171 .NET Denial of Service Vulnerability Microsoft / .NET 10.0 · Microsoft / .NET 8.0 | Высокий | 7.5 | 1,75 % | Патч | 14.04.2026 | |
| CVE-2026-42899 ASP.NET Core Denial of Service Vulnerability Microsoft / .NET 10.0 · Microsoft / .NET 8.0 | Высокий | 7.5 | 2,43 % | Патч | 12.05.2026 | |
| CVE-2026-35433 .NET Elevation of Privilege Vulnerability Microsoft / .NET 10.0 · Microsoft / .NET 8.0 | Высокий | 7.3 | 0,77 % | Патч | 12.05.2026 | |
| CVE-2026-33116 .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability Microsoft / .NET 10.0 · Microsoft / .NET 8.0 | Высокий | 7.5 | 2,14 % | Патч | 14.04.2026 |