How severe is CVE-2026-44814?

CVE-2026-44814 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-44814 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-44814?

CVE-2026-44814 primarily affects Microsoft Windows 11 26h1. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-44814?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-44814 have an EU (EUVD) identifier?

Yes. CVE-2026-44814 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35754.

When was CVE-2026-44814 published?

CVE-2026-44814 was published on 2026-06-09 and last updated on 2026-06-17.

CVE-2026-44814

CVE-2026-44814 is a medium-severity vulnerability in Microsoft Windows 11 26h1 with a CVSS 3.x base score of 5.5. 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-122.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35754
Weakness: CWE-122
Affected product: Microsoft Windows 11 26h1
Published: 2026-06-09
Last modified: 2026-06-17

Description

Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.

Frequently asked questions

What is CVE-2026-44814?: Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.
How severe is CVE-2026-44814?: CVE-2026-44814 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-44814 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-44814?: CVE-2026-44814 primarily affects Microsoft Windows 11 26h1. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-44814?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-44814 have an EU (EUVD) identifier?: Yes. CVE-2026-44814 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35754.
When was CVE-2026-44814 published?: CVE-2026-44814 was published on 2026-06-09 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44814

Affected products (2)

cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*

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