PatchTheCVECVE-2024-38254: Windows Authentication Information Disclosure Vulnerability
38
Routine
MEDIUM 5.5WATCHLISTUPGRADEUPGRADEUPGRADE
CVE-2024-38254 is a medium-severity flaw (CVSS 5.5) affecting windows 10 1507, windows 10 1607, windows 10 1809. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Windows Authentication Information Disclosure Vulnerability
Why this priority
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.7% (top 46%) |
| CISA exploited list | No |
| Weakness | CWE-908 |
| Published | 2024-09-10 |
| Last modified | 2026-08-10 |
Publisher (CNA): Microsoft Corporation · Vendor: microsoft
Last updated 2026-08-10 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
microsoft windows 10 1507 UPGRADE
Affected: < 10.0.10240.20766
Fixed in: 10.0.10240.20766
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
microsoft windows 10 1607 UPGRADE
Affected: < 10.0.14393.7336
Fixed in: 10.0.14393.7336
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
microsoft windows 10 1809 UPGRADE
Affected: < 10.0.17763.6293
Fixed in: 10.0.17763.6293
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
microsoft windows 10 21h1 UPGRADE
Affected: < 10.0.19044.4894
Fixed in: 10.0.19044.4894
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
microsoft windows 10 22h2 UPGRADE
Affected: < 10.0.19041.4894 · < 10.0.19045.4894 · <= 10.0.19045.4894
Fixed in: 10.0.19041.4894, 10.0.19045.4894
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
microsoft windows 11 21h2 UPGRADE
Affected: < 10.0.22000.3197
Fixed in: 10.0.22000.3197
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-38254?
windows 10 1507: upgrade to 10.0.10240.20766; windows 10 1607: upgrade to 10.0.14393.7336; windows 10 1809: upgrade to 10.0.17763.6293. Exact commands for each OS are on this page.
Is CVE-2024-38254 being exploited?
CVE-2024-38254 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-38254 affect?
CVE-2024-38254 affects windows 10 1507, windows 10 1607, windows 10 1809. Severity is medium (CVSS 5.5). Windows Authentication Information Disclosure Vulnerability
How urgent is CVE-2024-38254?
Priority 38/100. On your watchlist
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