How severe is CVE-2017-8552?

CVE-2017-8552 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-8552 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-8552?

CVE-2017-8552 primarily affects Microsoft Windows 7. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-8552?

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-2017-8552 published?

CVE-2017-8552 was published on 2017-06-15 and last updated on 2026-06-17.

CVE-2017-8552

CVE-2017-8552 is a high-severity vulnerability in Microsoft Windows 7 with a CVSS 3.x base score of 7.8. 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-281.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-281
Affected product: Microsoft Windows 7
Published: 2017-06-15
Last modified: 2026-06-17

Description

A kernel-mode driver in Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista, Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, and Windows 8 allows an elevation of privilege when it fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability". This CVE is unique from CVE-2017-0263.

Frequently asked questions

What is CVE-2017-8552?: A kernel-mode driver in Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista, Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, and Windows 8 allows an elevation of privilege when it fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability". This CVE is unique from CVE-2017-0263.
How severe is CVE-2017-8552?: CVE-2017-8552 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-8552 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-8552?: CVE-2017-8552 primarily affects Microsoft Windows 7. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-8552?: 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-2017-8552 published?: CVE-2017-8552 was published on 2017-06-15 and last updated on 2026-06-17.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8552

Affected products (3)

cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*

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