CVE-2021-26896 — HIGH (7.5)

Vulnerability Description

Windows DNS Server Denial of Service Vulnerability

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Windows Server 2008	r2
Microsoft	Windows Server 2012	-
Microsoft	Windows Server 2016	-
Microsoft	Windows Server 2019	-

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-2689PatchVendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-2689PatchVendor Advisory

FAQ

What is CVE-2021-26896?

CVE-2021-26896 is a vulnerability with a CVSS score of 7.5 (HIGH). Windows DNS Server Denial of Service Vulnerability

How severe is CVE-2021-26896?

CVE-2021-26896 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26896?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019.