How severe is CVE-2017-8553?

CVE-2017-8553 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-8553 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-8553?

CVE-2017-8553 primarily affects Microsoft Windows 8.1. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-8553?

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

When was CVE-2017-8553 published?

CVE-2017-8553 was published on 2017-06-15 and last updated on 2026-06-17.

CVE-2017-8553

CVE-2017-8553 is a medium-severity vulnerability in Microsoft Windows 8.1 with a CVSS 3.x base score of 4.7. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
CVSS v2: 1.9
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Microsoft Windows 8.1
Published: 2017-06-15
Last modified: 2026-06-17

Description

An information disclosure vulnerability exists in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows Server 2016 when the Windows kernel improperly handles objects in memory, aka "GDI Information Disclosure Vulnerability".

Frequently asked questions

What is CVE-2017-8553?: An information disclosure vulnerability exists in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows Server 2016 when the Windows kernel improperly handles objects in memory, aka "GDI Information Disclosure Vulnerability".
How severe is CVE-2017-8553?: CVE-2017-8553 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-8553 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-8553?: CVE-2017-8553 primarily affects Microsoft Windows 8.1. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-8553?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-8553 published?: CVE-2017-8553 was published on 2017-06-15 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*

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