How severe is CVE-2015-8156?

CVE-2015-8156 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-2015-8156 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8156?

CVE-2015-8156 primarily affects Symantec Endpoint Encryption. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-8156?

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-2015-8156 published?

CVE-2015-8156 was published on 2016-05-14 and last updated on 2026-06-17.

CVE-2015-8156

CVE-2015-8156 is a high-severity vulnerability in Symantec Endpoint Encryption 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.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Symantec Endpoint Encryption
Published: 2016-05-14
Last modified: 2026-06-17

Description

Unquoted Windows search path vulnerability in EEDService in Symantec Endpoint Encryption (SEE) 11.x before 11.1.1 allows local users to gain privileges via a Trojan horse executable file in the %SYSTEMDRIVE% directory, as demonstrated by program.exe.

Frequently asked questions

What is CVE-2015-8156?: Unquoted Windows search path vulnerability in EEDService in Symantec Endpoint Encryption (SEE) 11.x before 11.1.1 allows local users to gain privileges via a Trojan horse executable file in the %SYSTEMDRIVE% directory, as demonstrated by program.exe.
How severe is CVE-2015-8156?: CVE-2015-8156 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-2015-8156 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8156?: CVE-2015-8156 primarily affects Symantec Endpoint Encryption. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-8156?: 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-2015-8156 published?: CVE-2015-8156 was published on 2016-05-14 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:symantec:endpoint_encryption:11.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_encryption:11.0.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_encryption:11.0.1:*:*:*:*:*:*:*

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