CVE-2024-20655
Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability
MEDIUM
6.6
CVSS Score
Published: January 9, 2024 at 05:57 PM UTC
Updated: June 17, 2026 at 07:07 AM UTC
7 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012
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Severity
MEDIUM6.6
Exploit prediction
EPSS 1%
SSVC
No known exploit
Description
Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 6.0.6003.22464, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.7601.26910, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.9200.24664, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.9600.21765, so it looks safe — our inference, not a vendor statement
10.0.14393.0 ≤ v < 10.0.14393.661410.0.14393.0
Affected range stops below 10.0.14393.6614, so it looks safe — our inference, not a vendor statement
10.0.17763.0 ≤ v < 10.0.17763.532910.0.17763.0
Affected range stops below 10.0.17763.5329, so it looks safe — our inference, not a vendor statement
10.0.20348.0 ≤ v < 10.0.20348.222710.0.20348.0
Affected range stops below 10.0.20348.2227, so it looks safe — our inference, not a vendor statement
10.0.25398.0 ≤ v < 10.0.25398.64310.0.25398.0
Affected range stops below 10.0.25398.643, so it looks safe — our inference, not a vendor statement
10.0.25398.0 ≤ v < 10.0.25398.643
Affected range stops below 10.0.25398.643, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20655SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
6.6MEDIUMmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416NVD-CWE-noinfo
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