Exploited vulnerability · CISA KEV

Is CVE-2023-29360 exploited? Yes: in CISA KEV since 29 Feb 2024

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

Yes. CVE-2023-29360, Microsoft Streaming Service Untrusted Pointer Dereference Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 29 Feb 2024, 261 days after it was published. It affects Microsoft Streaming Service. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What it is

Microsoft Streaming Service contains an untrusted pointer dereference vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.

What to do

1. Check whether you run it. Look for Streaming Service in your asset inventory, including appliances and cloud images. Stack check lists every exploited Microsoft CVE at once.
2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations 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 13 Jun 2023.
4. Get told next time. Email alerts when CISA adds a CVE for Microsoft.

References

• msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29360
• nvd.nist.gov/vuln/detail/CVE-2023-29360

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 February 2024 · Microsoft scorecard · act-now radar.