How severe is CVE-2017-15526?

CVE-2017-15526 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-15526 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-15526?

CVE-2017-15526 affects Symantec Endpoint Encryption. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-15526?

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

When was CVE-2017-15526 published?

CVE-2017-15526 was published on 2017-11-13 and last updated on 2026-06-17.

CVE-2017-15526

CVE-2017-15526 is a medium-severity vulnerability in Symantec Endpoint Encryption with a CVSS 3.x base score of 6.8. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 5.2
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Symantec Endpoint Encryption
Published: 2017-11-13
Last modified: 2026-06-17

Description

Prior to SEE v11.1.3MP1, Symantec Endpoint Encryption can be susceptible to a null pointer de-reference issue, which can result in a NullPointerException that can lead to a privilege escalation scenario.

Frequently asked questions

What is CVE-2017-15526?: Prior to SEE v11.1.3MP1, Symantec Endpoint Encryption can be susceptible to a null pointer de-reference issue, which can result in a NullPointerException that can lead to a privilege escalation scenario.
How severe is CVE-2017-15526?: CVE-2017-15526 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-15526 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15526?: CVE-2017-15526 affects Symantec Endpoint Encryption. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-15526?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-15526 published?: CVE-2017-15526 was published on 2017-11-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:symantec:endpoint_encryption:*:*:*:*:*:*:*:*

More vulnerabilities in Symantec Endpoint Encryption

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