How severe is CVE-2017-0110?

CVE-2017-0110 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-0110 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-0110?

CVE-2017-0110 primarily affects Microsoft Exchange Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-0110?

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

When was CVE-2017-0110 published?

CVE-2017-0110 was published on 2017-03-17 and last updated on 2026-06-17.

CVE-2017-0110

CVE-2017-0110 is a medium-severity vulnerability in Microsoft Exchange Server with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microsoft Exchange Server
Published: 2017-03-17
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in Microsoft Exchange Outlook Web Access (OWA) allows remote attackers to inject arbitrary web script or HTML via a crafted email or chat client, aka "Microsoft Exchange Server Elevation of Privilege Vulnerability."

Frequently asked questions

What is CVE-2017-0110?: Cross-site scripting (XSS) vulnerability in Microsoft Exchange Outlook Web Access (OWA) allows remote attackers to inject arbitrary web script or HTML via a crafted email or chat client, aka "Microsoft Exchange Server Elevation of Privilege Vulnerability."
How severe is CVE-2017-0110?: CVE-2017-0110 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-0110 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-0110?: CVE-2017-0110 primarily affects Microsoft Exchange Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-0110?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-0110 published?: CVE-2017-0110 was published on 2017-03-17 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_14:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_3:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2013:sp1:*:*:*:*:*:*

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