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CVE

CVE-2023-29360

Microsoft Streaming Service Untrusted Pointer Dereference Vulnerability

Microsoft Streaming Service Elevation of Privilege Vulnerability.

HIGH · CVSS 8.4 ⚠ CISA KEV EPSS 0.30285
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬢

Required Remediation

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

⬡

Weakness Classification

CWE-822Untrusted Pointer Dereference
▤

Affected Products & Versions

9
microsoft windows 10 1607< 10.0.14393.5989
microsoft windows 10 1809< 10.0.17763.4499
microsoft windows 10 21h2< 10.0.19044.3086
microsoft windows 10 22h2< 10.0.19045.3086
microsoft windows 11 21h2< 10.0.22000.2057
microsoft windows 11 22h2< 10.0.22621.1848
microsoft windows server 2016< 10.0.14393.5989
microsoft windows server 2019< 10.0.17763.4499
▣

Scoring & Timeline

8.4
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Jun 2023 · 12:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
cisaKEV-CVE-2023-29360
msrcCVE-2023-29360Elevation of Privilege
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29360US Government Resource
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