How severe is CVE-2024-26256?

CVE-2024-26256 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-26256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 88% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-26256?

CVE-2024-26256 primarily affects Microsoft Windows 11 22h2. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-26256?

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.

Does CVE-2024-26256 have an EU (EUVD) identifier?

Yes. CVE-2024-26256 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-23532.

When was CVE-2024-26256 published?

CVE-2024-26256 was published on 2024-04-09 and last updated on 2026-06-17.

CVE-2024-26256

CVE-2024-26256 is a high-severity vulnerability in Microsoft Windows 11 22h2 with a CVSS 3.x base score of 7.8. Its EPSS exploit-prediction score of 88% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 88% (100th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-23532
Weakness: CWE-787
Affected product: Microsoft Windows 11 22h2
Published: 2024-04-09
Last modified: 2026-06-17

Description

Libarchive Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2024-26256?: Libarchive Remote Code Execution Vulnerability
How severe is CVE-2024-26256?: CVE-2024-26256 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-26256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 88% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-26256?: CVE-2024-26256 primarily affects Microsoft Windows 11 22h2. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-26256?: 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.
Does CVE-2024-26256 have an EU (EUVD) identifier?: Yes. CVE-2024-26256 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-23532.
When was CVE-2024-26256 published?: CVE-2024-26256 was published on 2024-04-09 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Windows 11 22h2

CVE-2025-49708 — Critical (CVSS 9.9): Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.
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