CVE-2026-20782: Buffer overflow for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: User App

Q: How do I fix CVE-2026-20782?

quickassist technology: upgrade to 1.13.0-0021. Exact commands for each OS are on this page.

Q: Is CVE-2026-20782 being exploited?

CVE-2026-20782 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-20782 affect?

CVE-2026-20782 affects quickassist technology. Severity is medium (CVSS 6.6). Buffer overflow for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity

Q: How urgent is CVE-2026-20782?

Priority 23/100. No elevated risk signals yet.

Routine

MEDIUM 6.6UPGRADE

CVE-2026-20782 is a medium-severity flaw (CVSS 6.6) affecting quickassist technology. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potenti

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.6 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 99%)
CISA exploited list	No
Weakness	CWE-120
Published	2026-05-12
Last modified	2026-06-17

Publisher (CNA): Intel Corporation · Vendor: intel

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-12 17:16 UTCPublished CVE record published
2026-06-17 10:17 UTCUpdated Record last modified

intel quickassist technology UPGRADE

Affected: < 1.13.0-0021

Fixed in: 1.13.0-0021

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy quickassist-technology || rpm -q quickassist-technology || quickassist-technology --version

2. UPGRADE to 1.13.0-0021 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade quickassist-technology

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade quickassist-technology

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-20782?

quickassist technology: upgrade to 1.13.0-0021. Exact commands for each OS are on this page.

Is CVE-2026-20782 being exploited?

CVE-2026-20782 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-20782 affect?

CVE-2026-20782 affects quickassist technology. Severity is medium (CVSS 6.6). Buffer overflow for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity

How urgent is CVE-2026-20782?

Priority 23/100. No elevated risk signals yet.

Software pages

Windows vulnerabilities · Intel vulnerabilities

Related CVEs

CVE-2026-20914 MEDIUM 5.5 UPGRADE Null pointer dereference for some Intel(R) QAT software drivers for Windows before version 2.6.0 within Ring 3
CVE-2026-20905 MEDIUM 6.6 UPGRADE Improper input validation for some Intel(R) QAT software drivers for Windows before version 2.6 within Ring 3:
CVE-2026-20881 MEDIUM 5.5 UPGRADE Divide by zero for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: User Appl
CVE-2026-20793 LOW 3.3 UPGRADE Unchecked return value for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: U
CVE-2026-20771 MEDIUM 6.1 UPGRADE Null pointer dereference for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3:

References

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