How severe is CVE-2022-21804?

CVE-2022-21804 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2022-21804 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-21804?

CVE-2022-21804 affects Intel Quickassist Technology. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-21804?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-21804 published?

CVE-2022-21804 was published on 2023-05-10 and last updated on 2026-06-17.

CVE-2022-21804

CVE-2022-21804 is a high-severity vulnerability in Intel Quickassist Technology with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 8.4)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Intel Quickassist Technology
Published: 2023-05-10
Last modified: 2026-06-17

Description

Out-of-bounds write in software for the Intel QAT Driver for Windows before version 1.9.0-0008 may allow an authenticated user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2022-21804?: Out-of-bounds write in software for the Intel QAT Driver for Windows before version 1.9.0-0008 may allow an authenticated user to potentially enable escalation of privilege via local access.
How severe is CVE-2022-21804?: CVE-2022-21804 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2022-21804 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-21804?: CVE-2022-21804 affects Intel Quickassist Technology. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-21804?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-21804 published?: CVE-2022-21804 was published on 2023-05-10 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00809.html

Affected products (1)

cpe:2.3:a:intel:quickassist_technology:*:*:*:*:*:windows:*:*

More vulnerabilities in Intel Quickassist Technology

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CVE-2023-28741 — High (CVSS 7.9): Buffer overflow in some Intel(R) QAT drivers for Windows - HW Version 1.0 before version 1.10 may allow an…
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CVE-2026-20714 — High (CVSS 7.8): Out-of-bounds write for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: User…
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