CVE-2023-35339

Windows CryptoAPI Denial of Service Vulnerability

HIGH
7.5
CVSS Score
Published: July 11, 2023 at 05:02 PM UTC
Updated: June 17, 2026 at 06:04 AM UTC
10 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows 10 1809

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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

Windows CryptoAPI Denial of Service Vulnerability

Affected

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

v < 10.0.10240.2004810.0.10240.0 ≤ v < 10.0.10240.2004810.0.10240.0
Affected range stops below 10.0.10240.20048, so it looks safe — our inference, not a vendor statement
v < 10.0.14393.608510.0.14393.0 ≤ v < 10.0.14393.608510.0.14393.0
Affected range stops below 10.0.14393.6085, so it looks safe — our inference, not a vendor statement
v < 10.0.17763.464510.0.0 ≤ v < 10.0.17763.464510.0.17763.0 ≤ v < 10.0.17763.464510.0.010.0.17763.0
Affected range stops below 10.0.17763.4645, so it looks safe — our inference, not a vendor statement
v < 10.0.19041.320810.0.19043.0 ≤ v < 10.0.19044.320810.0.19043.0
Affected range stops below 10.0.19041.3208, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.19044.3208, so it looks safe — our inference, not a vendor statement
v < 10.0.19045.320810.0.19045.0 ≤ v < 10.0.19045.320810.0.19045.0
Affected range stops below 10.0.19045.3208, so it looks safe — our inference, not a vendor statement
v < 10.0.22000.217610.0.0 ≤ v < 10.0.22000.217610.0.0
Affected range stops below 10.0.22000.2176, so it looks safe — our inference, not a vendor statement
v < 10.0.22621.199210.0.22621.0 ≤ v < 10.0.22621.199210.0.22621.0
Affected range stops below 10.0.22621.1992, so it looks safe — our inference, not a vendor statement
10.0.14393.0 ≤ v < 10.0.14393.608510.0.14393.0
Affected range stops below 10.0.14393.6085, so it looks safe — our inference, not a vendor statement
10.0.17763.0 ≤ v < 10.0.17763.464510.0.17763.0
Affected range stops below 10.0.17763.4645, so it looks safe — our inference, not a vendor statement
10.0.20348.0 ≤ v < 10.0.20348.185010.0.20348.0
Affected range stops below 10.0.20348.1850, 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:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400NVD-CWE-noinfo

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