Home/CVE/Heap-based buffer overflow in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privile
CVE

CVE-2025-53149

Heap-based buffer overflow in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privile

Heap-based buffer overflow in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.

HIGH · CVSS 7.8 EPSS 0.02513
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-122Heap-based Buffer Overflow
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Affected Products & Versions

15
microsoft windows 10 1507< 10.0.10240.21100
microsoft windows 10 1607< 10.0.14393.8330
microsoft windows 10 1809< 10.0.17763.7678
microsoft windows 10 21h2< 10.0.19044.6216
microsoft windows 10 22h2< 10.0.19045.6216
microsoft windows 11 22h2< 10.0.22621.5768
microsoft windows 11 23h2< 10.0.22631.5768
microsoft windows 11 24h2< 10.0.26100.4851
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Public Exploits & PoCs

1
pocwww.crowdfense.com · cve-2025-53149-windows-ksthunk-heap-overflowwww.crowdfense.com
▣

Scoring & Timeline

7.8
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 NVD12 Aug 2025 · 06:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
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.
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Vendor Advisories

1
msrcCVE-2025-53149Elevation of Privilege
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