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VulnerabilityPublished Updated

CVE-2025-30509: Intel QuickAssist Technology software · Escalation of Privilege

Affects Intel QuickAssist Technology softwareSource CVE Database V5

0

Not known to be exploited · CVSS 4.8 Medium : upgrade to 2.6.0 when convenient.

Data as of 26 Oct 2026, 12:55 UTC

CVSS 4.0 base score
4.8Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.6.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Nov 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade Intel QuickAssist Technology software to 2.6.0.

Affected software

ProductAffectedFixed in
Intel QuickAssist Technology softwareAffected
  • <2.6.0
Fixed in
  • 2.6.0

AI-suggested

To mitigate CVE-2025-30509, organizations should: 1) Upgrade Intel QuickAssist Technology software to version 2.6.0 or later as soon as the patch is available, as this version addresses the input validation flaw. 2) Restrict local access to systems running QAT software by enforcing strict access controls and monitoring for unauthorized user activity. 3) Implement robust user authentication and privilege management to minimize the risk of low-privilege users exploiting the vulnerability. 4) Monitor system logs and QAT-related processes for unusual behavior indicative of exploitation attempts. 5) Conduct regular security audits and vulnerability assessments focusing on local privilege escalation vectors. 6) Consider isolating QAT workloads in hardened environments or containers to limit the impact of potential exploits. 7) Stay informed about updates from Intel regarding patches or additional mitigations. These steps go beyond generic advice by emphasizing access control, monitoring, and environment hardening specific to QAT deployments.

Description

Improper input validation for some Intel QuickAssist Technology software before version 2.6.0 within Ring 3: User Applications may allow an escalation of privilege. System software adversary with an authenticated user combined with a low complexity attack may enable data manipulation. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (low) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

References

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