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Exploited vulnerability · CISA KEV

Is CVE-2024-26169 exploited? Yes: in CISA KEV since 13 Jun 2024

Gociux · Microsoft Windows · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2024-26169, Microsoft Windows Error Reporting Service Improper Privilege Management Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 13 Jun 2024, 93 days after it was published. It is known to be used in ransomware campaigns. It affects Microsoft Windows. If you run it, CISA's required action is: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

exploitedYesCISA KEV · 13 Jun 2024
ransomwareKnownused in campaigns
EPSStop 10%more likely than most to be exploited
severity7.8CVSS 3.1 · high
US federal due4 Jul 2024BOD 22-01 deadline

What it is

Microsoft Windows Error Reporting Service contains an improper privilege management vulnerability that allows a local attacker with user permissions to gain SYSTEM privileges.

VendorMicrosoft (391 exploited CVEs in KEV)
ProductWindows
VulnerabilityMicrosoft Windows Error Reporting Service Improper Privilege Management Vulnerability
WeaknessCWE-269
Published12 Mar 2024
Added to KEV13 Jun 2024
Reported by (CNA)microsoft

What to do

  1. Check whether you run it. Look for Windows in your asset inventory, including appliances and cloud images. Stack check lists every exploited Microsoft CVE at once.
  2. Apply the fix. Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 12 Mar 2024.
  4. Get told next time. Email alerts when CISA adds a CVE for Microsoft.

Other exploited CVEs in Windows

References

Questions

Is CVE-2024-26169 being exploited?

Yes. CISA added CVE-2024-26169 to the Known Exploited Vulnerabilities catalog on 13 Jun 2024, which means there is reliable evidence of exploitation in the wild.

Is CVE-2024-26169 used in ransomware attacks?

Yes, CISA lists it as known to be used in ransomware campaigns.

How do I fix CVE-2024-26169?

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable. Check Microsoft's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Windows and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in June 2024 · Microsoft scorecard · act-now radar.

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