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CVE-2023-36397

Microsoft Windows 10 1809 remote code execution

9.8 CRITICALEPSS 17.5%
  1. Published14 Nov 2023

Description

Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Microsoft Windows 10 1507< 10.0.10240.20308
Microsoft Windows 10 1607< 10.0.14393.6452
Microsoft Windows 10 1809< 10.0.17763.5122
Microsoft Windows 10 21h2< 10.0.19041.3693
Microsoft Windows 10 22h2< 10.0.19045.3693
Microsoft Windows 11 21h2< 10.0.22000.2600
Microsoft Windows 11 22h2< 10.0.22621.2715
Microsoft Windows 11 23h2< 10.0.22621.2715
Microsoft Windows Server 2008r2 · sp2
Microsoft Windows Server 2012r2
Microsoft Windows Server 2016all versions
Microsoft Windows Server 2019all versions
Microsoft Windows Server 2022all versions

Remediation

Fixed in
Microsoft Windows 10 1507≥ 10.0.10240.20308
Microsoft Windows 10 1607≥ 10.0.14393.6452
Microsoft Windows 10 1809≥ 10.0.17763.5122
Microsoft Windows 10 21h2≥ 10.0.19041.3693
Microsoft Windows 10 22h2≥ 10.0.19045.3693
Microsoft Windows 11 21h2≥ 10.0.22000.2600
Microsoft Windows 11 22h2≥ 10.0.22621.2715
Microsoft Windows 11 23h2≥ 10.0.22621.2715

Frequently asked

Is CVE-2023-36397 being actively exploited?

CVE-2023-36397 is not in the CISA KEV catalog. Its EPSS exploit probability is 17.5%.

How severe is CVE-2023-36397?

CVE-2023-36397 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 17.5% probability of exploitation.

Which products are affected by CVE-2023-36397?

Affected products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, and 8 more.

How do I fix CVE-2023-36397?

Upgrade affected software to a fixed version, for example Microsoft Windows 10 1507 10.0.10240.20308, Microsoft Windows 10 1607 10.0.14393.6452, Microsoft Windows 10 1809 10.0.17763.5122 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-36397 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.