CVE-2020-1118

Microsoft Windows Transport Layer Security Denial of Service Vulnerability

HIGH
8.6
CVSS Score
Published: May 21, 2020 at 10:53 PM UTC
Updated: August 19, 2026 at 05:35 PM UTC
10 products affected across 1 vendorWindows Server 2019Windows 10 1809Windows 10

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Severity
HIGH8.6
Exploit prediction
EPSS 15%

Description

A denial of service vulnerability exists in the Windows implementation of Transport Layer Security (TLS) when it improperly handles certain key exchanges, aka 'Microsoft Windows Transport Layer Security Denial of Service Vulnerability'.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

10.0.0 ≤ v < publication17091803180919031909
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.17763.0 ≤ v < publication10.0.010.0.17763.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.17763.0 ≤ v < publication10.0.17763.019031909
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

8.6HIGHmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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