CVE-2026-50527Suited to automated attack · CISA

.NET Framework Denial of Service Vulnerability

CVSS score

7.5

EPSS probability

%1.2

Risk score

0.1

Published

3 mo ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

Impact on My Inventory

Only the personal products you have added to your account are assessed; an organisation's inventory does not appear here.

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Vulnerability description

DayBreach CVE AI Research

CVE-2026-50527 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

Stack-based buffer overflow in .NET Framework allows an unauthorized attacker to deny service over a network.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-50527 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	microsoft	.NET 10.0	View
2	microsoft	.NET 8.0	View
3	microsoft	.NET 9.0	View
4	microsoft	Microsoft .NET Framework 3.5	View
5	microsoft	Microsoft .NET Framework 3.5 AND 4.7.2	View
6	microsoft	Microsoft .NET Framework 3.5 AND 4.8	View
7	microsoft	Microsoft .NET Framework 3.5 AND 4.8.1	View
8	microsoft	Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2	View
9	microsoft	Microsoft .NET Framework 4.8	View
10	microsoft	Microsoft Visual Studio 2022 version 17.12	View
11	microsoft	Microsoft Visual Studio 2022 version 17.14	View
12	microsoft	Microsoft Visual Studio 2026 version 18.7	View
13	microsoft	.net framework	View
14	microsoft	windows 10 1607	View
15	microsoft	windows server 2012	View
16	microsoft	windows server 2012	View
17	microsoft	windows server 2016	View
18	microsoft	.net framework	View
19	microsoft	.net framework	View
20	microsoft	.net framework	View
21	microsoft	.net framework	View
22	microsoft	.net framework	View
23	microsoft	.net framework	View
24	microsoft	windows 10 21h2	View
25	microsoft	windows 10 22h2	View
26	microsoft	windows 11 23h2	View
27	microsoft	windows 11 24h2	View
28	microsoft	windows 11 25h2	View
29	microsoft	windows 11 26h1	View
30	microsoft	windows server 2022	View
31	microsoft	windows 10 1809	View
32	microsoft	windows server 2019	View
33	microsoft	.net	View
34	microsoft	.net	View
35	apple	macos	View
36	linux	linux kernel	View
37	microsoft	windows	View
38	microsoft	.net	View
39	microsoft	visual studio 2022	View
40	microsoft	visual studio 2022	View
41	microsoft	visual studio 2026	View
42	nuget	System.Security.Cryptography.Xml	View
43	nuget	System.Security.Cryptography.Xml	View
44	nuget	System.Security.Cryptography.Xml	View
45	nuget	System.Security.Cryptography.Xml	View
46	nuget	System.Security.Cryptography.Xml	View
47	nuget	System.Security.Cryptography.Xml	View

Total affected vendors: 4|Products: 47

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
7.5	CVSS 3.x	—	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	Microsoft MSRC
7.5	CVSS V31	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD
7.5	CVSS 3.x	—	Vector not published	GitHub Advisory
7.5	CVSS V3_1	HIGH	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	CVE CNA
0.0	CVSS 4.0	—	Vector not published	GitHub Advisory

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

55 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

nvd

NVD tarafından Patch olarak etiketlenmiş referans

Open source

osvSystem.Security.Cryptography.Xml10.0.10

OSV düzeltilmiş sürüm: 10.0.10

osvSystem.Security.Cryptography.Xml9.0.18

OSV düzeltilmiş sürüm: 9.0.18

osvSystem.Security.Cryptography.Xml8.0.4

OSV düzeltilmiş sürüm: 8.0.4

cvelist

.NET Framework Denial of Service Vulnerability

Open source

reference

.NET Framework Denial of Service Vulnerability

Open source

reference

5101007

Open source

reference

Yama veya çözüm referansı

Open source

reference

5101009

Open source

reference

Yama veya çözüm referansı

Open source

reference

5101011

Open source

reference

Yama veya çözüm referansı

Open source

Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Apply the official update named in the evidence only to the matching product and version.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-50527 is associated with the following CWEs:

CWE-121: Common Weakness Enumeration Entry CWE-121

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-50527 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden

PermissionsGerekmiyor

UserGerekmiyor

Official Sources and Advisories

.NET Framework Denial of Service Vulnerabilitypatch 5101007patch https://support.microsoft.com/help/5101007patch 5101009patch https://support.microsoft.com/help/5101009patch 5101011patch https://support.microsoft.com/help/5101011patch 5101008patch https://support.microsoft.com/help/5101008patch 5101010patch

CVSS Vector Radar Chart

7.5 / 10

Vulnerability Scoring Details

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

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone required

User InteractionNone required

Confidentiality (Gizlilik)Low

Integrity (Bütünlük)None

Availability (Erişilebilirlik)High

Yama doğrulandı

55 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

Follow the vendor

Weakness Type (CWE & CAPEC)

CWE-121

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Get this vulnerability through the API

Affected products, version ranges, exploitation status and patch information in a single request, with a free key.

Get a free key Documentation

curl -H "x-api-key: $DAYBREACH_API_KEY" \
  "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-50527"

.NET Framework Denial of Service Vulnerability

Impact on My Inventory

Vulnerability description

IMPACT: Affected Products and Software

Affected Products

RED HAT CSAF/VEX: Product Impact Check

SCORING: CVSS from Multiple Sources

CVSS Scores

Patch and Remediation Guide

Solution & Remediation Advisory

Public exploit and active exploitation status

Verified exploit intelligence

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

Common Attack Pattern Enumeration and Classification (CAPEC)

Attack Vector and Accessibility

Official Sources and Advisories

CVSS Vector Radar Chart

Vulnerability Scoring Details

Weakness Type (CWE & CAPEC)

Similar Vulnerabilities

Get this vulnerability through the API

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