<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>NPU Driver — CraftedSignal Threat Feed</title><link>https://feed.craftedsignal.io/products/npu-driver/</link><description>Trending threats, MITRE ATT&amp;CK coverage, and detection metadata. Fed continuously.</description><generator>Hugo</generator><language>en</language><managingEditor>hello@craftedsignal.io</managingEditor><webMaster>hello@craftedsignal.io</webMaster><lastBuildDate>Tue, 26 May 2026 11:34:50 +0000</lastBuildDate><atom:link href="https://feed.craftedsignal.io/products/npu-driver/feed.xml" rel="self" type="application/rss+xml"/><item><title>Intel NPU Driver Vulnerabilities Allow Privilege Escalation and DoS</title><link>https://feed.craftedsignal.io/briefs/2026-05-intel-npu-driver-privesc-dos/</link><pubDate>Tue, 26 May 2026 11:34:50 +0000</pubDate><author>hello@craftedsignal.io</author><guid isPermaLink="true">https://feed.craftedsignal.io/briefs/2026-05-intel-npu-driver-privesc-dos/</guid><description>Multiple vulnerabilities in the Intel NPU Driver allow a local attacker to escalate privileges and cause a denial of service.</description><content:encoded><![CDATA[<p>The Intel NPU (Neural Processing Unit) Driver is vulnerable to multiple issues that a local attacker can exploit. While specific CVEs are not listed in this brief, the vulnerabilities allow for both privilege escalation and denial-of-service (DoS) conditions. This impacts system integrity and availability, as a low-privilege user could gain elevated access or render the system unusable. Defenders should investigate and apply relevant patches as they become available from Intel to mitigate these risks. The lack of specific vulnerability details makes precise detection engineering challenging, but general system monitoring for unexpected driver behavior is recommended.</p>
<h2 id="attack-chain">Attack Chain</h2>
<ol>
<li>A local attacker gains initial access to the system, potentially through social engineering or exploiting existing vulnerabilities in other software.</li>
<li>The attacker identifies a vulnerable function within the Intel NPU Driver.</li>
<li>The attacker crafts a malicious input or series of calls to the vulnerable function.</li>
<li>The crafted input exploits a memory corruption vulnerability, such as a buffer overflow or use-after-free, within the NPU driver.</li>
<li>Successful exploitation leads to arbitrary code execution within the context of the NPU driver, potentially gaining system-level privileges.</li>
<li>Alternatively, the malicious input could trigger a resource exhaustion or infinite loop within the driver, leading to a denial-of-service condition.</li>
<li>The attacker leverages the escalated privileges to install malware, modify system configurations, or access sensitive data.</li>
</ol>
<h2 id="impact">Impact</h2>
<p>Successful exploitation of these vulnerabilities can lead to a complete compromise of the affected system. A local attacker can gain elevated privileges, allowing them to perform unauthorized actions. The denial-of-service condition can disrupt critical services and impact system availability. The number of affected systems is potentially large, as the Intel NPU Driver is used in various devices.</p>
<h2 id="recommendation">Recommendation</h2>
<ul>
<li>Monitor for suspicious process creation events related to the Intel NPU Driver (see Sigma rule <code>Detect Suspicious NPU Driver Activity</code>).</li>
<li>Investigate any unexpected crashes or errors related to the Intel NPU Driver (review system event logs).</li>
<li>When available, apply patches released by Intel for the NPU Driver.</li>
<li>Monitor for resource exhaustion events that may be caused by denial-of-service vulnerabilities in the NPU Driver.</li>
</ul>
]]></content:encoded><category domain="severity">medium</category><category domain="type">advisory</category><category>privilege-escalation</category><category>denial-of-service</category><category>intel-npu-driver</category></item></channel></rss>