Is CVE-2017-4903 in the CISA KEV catalog?

No. CVE-2017-4903 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-4903?

CVE-2017-4903 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2017-4903?

CVE-2017-4903 has an EPSS score of 0.41% (33th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-4903?

Upgrade fusion to 8.5.6 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2017-4903

HIGH

8.8

CVSS v3

NVD

Description

VMware ESXi 6.5 without patch ESXi650-201703410-SG, 6.0 U3 without patch ESXi600-201703401-SG, 6.0 U2 without patch ESXi600-201703403-SG, 6.0 U1 without patch ESXi600-201703402-SG, and 5.5 without patch ESXi550-201703401-SG; Workstation Pro / Player 12.x prior to 12.5.5; and Fusion Pro / Fusion 8.x prior to 8.5.6 have an uninitialized stack memory usage in SVGA. This issue may allow a guest to execute code on the host.

CWE-119Buffer Overflow

How to fix

Remediation Available

fusionNVD

Affected:>= 8.0.0, < 8.5.6Fixed in:8.5.6CVE-2017-4903derived from NVD

fusion proNVD

Affected:>= 8.0.0, < 8.5.6Fixed in:8.5.6CVE-2017-4903derived from NVD

workstation playerNVD

Affected:>= 12.0.0, < 12.5.5Fixed in:12.5.5CVE-2017-4903derived from NVD

workstation proNVD

Affected:>= 12.0.0, < 12.5.5Fixed in:12.5.5CVE-2017-4903derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Exploit Intelligence

0.41%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Patch1

vmware.com

Third-Party Advisory3

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.