VDB-378994 · CVE-2026-50527 · Nessus 327183

Microsoft Framework up to 4.8.1 stack-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Microsoft Framework up to 4.8.1. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to stack-based overflow. The identification of this vulnerability is CVE-2026-50527. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Microsoft Framework up to 4.8.1 and classified as problematic. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect availability. CVE summarizes:

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

The advisory is available at msrc.microsoft.com. This vulnerability was named CVE-2026-50527 since 06/04/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/23/2026).

The vulnerability scanner Nessus provides a plugin with the ID 327183 (Linux Distros Unpatched Vulnerability : CVE-2026-50527), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (327183). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Microsoft

Name

Framework

Version

License

commercial

Website

Vendor: https://www.microsoft.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 327183
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-50527

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/04/2026 CVE reserved
07/14/2026 +40 days VulDB entry created
07/15/2026 +0 days Advisory disclosed
07/23/2026 +8 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2026-50527 (🔒)
GCVE (CVE): GCVE-0-2026-50527
GCVE (VulDB): GCVE-100-378994

Entryinfo

Created: 07/15/2026 01:21
Updated: 07/23/2026 15:19
Changes: 07/15/2026 01:21 (51), 07/16/2026 14:13 (2), 07/23/2026 15:16 (1), 07/23/2026 15:19 (4)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.