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CVE-2023-28229

Exploited in the wild. In CISA KEV since 2023‑10‑04. Fixed versions are out.

CVSS 3.17.0HighEPSS percentile77th1.7% chance in 30 daysCISA KEVListedsince 2023-10-04, due 2023-10-25
Public exploit: 1 sourceFix5 products8 fixed builds listed below

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Microsoft Windows 10 Version 1809Affected: ≥ 10.0.17763.0, < 10.0.17763.4252Upgrade to: 10.0.17763.4252Affected: ≥ 10.0.0, < 10.0.19042.2846Upgrade to: 10.0.19042.2846Affected: ≥ 10.0.19043.0, < 10.0.19044.2846Upgrade to: 10.0.19044.2846Affected: ≥ 10.0.19045.0, < 10.0.19045.2846Upgrade to: 10.0.19045.2846 + 2 more branchesStated by: CVE record
  • Microsoft Windows Server 2019Affected: ≥ 10.0.17763.0, < 10.0.17763.4252Upgrade to: 10.0.17763.4252Stated by: CVE record
  • Microsoft Windows Server 2022Affected: ≥ 10.0.20348.0, < 10.0.20348.1668Upgrade to: 10.0.20348.1668Stated by: CVE record
  • Microsoft Windows 11 version 21H2Affected: ≥ 10.0.0, < 10.0.22000.1817Upgrade to: 10.0.22000.1817Affected: ≥ 10.0.22621.0, < 10.0.22621.1555Upgrade to: 10.0.22621.1555Stated by: CVE record
  • Microsoft Windows Server 2016Affected: ≥ 10.0.14393.0, < 10.0.14393.5850Upgrade to: 10.0.14393.5850Stated by: CVE record

Versions as the sources state them. 4 more products have version data. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

Coverage timeline

0 publishers

  1. Added to CISA KEV catalog

    ·CISA KEV

Sourced from public security reporting — each date is when it was published, not when it happened.

What it is

From the CVE record

Windows CNG Key Isolation Service Elevation of Privilege Vulnerability

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS77th
Public exploit
CISA KEV
CISA KEV

Listed as exploited in the wild since 2023-10-04.

US federal agencies must remediate by 2023-10-25.

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Public exploits

1 source with a proof of concept or module.

Exploit links, PoCs and Metasploit modules after sign-in
EPSS

1.7% chance of exploitation activity in the next 30 days, which ranks it in the 77th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

The patch came 129 days before any public exploit.

  1. OpenVAS check added
  2. EPSS band changemoderate → low
  3. EPSS band changelow → moderate
  4. Public exploit / PoCsource: github-poc
  5. Patch availablerecord updated
  6. Added to CISA KEV

Affected products

And 49 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 7.0 by NVD.

How it is reached

  • Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
  • Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
  • Privileges Required LowRequires basic user-level privileges
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

Sources

References in the record

And 2 more references. See all after sign-in

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next exploited one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for Windows 10 Version 1809, not every advisory. This one: actively exploited.