PT-2020-5730 · Microsoft · Windows

Abdelhamid Naceri + 1 · Published 2020-11-11 · Updated 2023-12-29 · CVE-2021-26886

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Name of the Vulnerable Software and Affected Versions: Windows (affected versions not specified)

Description: The issue is related to a denial-of-service vulnerability in the User Profile Service of Windows operating systems, caused by a buffer overflow in memory. This vulnerability can be exploited to cause a denial of service. There is no information provided about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2021-01639

CVE-2021-26886

ZDI-21-327

Affected Products

Windows

References · 8

• https://bdu.fstec.ru/vul/2021-01639 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26886 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-26886 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-26886 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26886 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-26886 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-327 · Security Note
• https://t.me/cibsecurity/24769 · Telegram Post