How severe is CVE-2018-0853?

CVE-2018-0853 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-0853 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0853?

CVE-2018-0853 primarily affects Microsoft Office. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-0853?

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

When was CVE-2018-0853 published?

CVE-2018-0853 was published on 2018-02-15 and last updated on 2026-06-17.

CVE-2018-0853

CVE-2018-0853 is a low-severity vulnerability in Microsoft Office with a CVSS 3.x base score of 3.3. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-665.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 4.3
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-665
Affected product: Microsoft Office
Published: 2018-02-15
Last modified: 2026-06-17

Description

Microsoft Office 2010 SP2, Microsoft Office 2013 SP1 and RT SP1, Microsoft Office 2016, and Microsoft Office 2016 Click-to-Run (C2R) allow an information disclosure vulnerability, due to how Office initializes the affected variable, aka "Microsoft Office Information Disclosure Vulnerability".

Frequently asked questions

What is CVE-2018-0853?: Microsoft Office 2010 SP2, Microsoft Office 2013 SP1 and RT SP1, Microsoft Office 2016, and Microsoft Office 2016 Click-to-Run (C2R) allow an information disclosure vulnerability, due to how Office initializes the affected variable, aka "Microsoft Office Information Disclosure Vulnerability".
How severe is CVE-2018-0853?: CVE-2018-0853 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-0853 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0853?: CVE-2018-0853 primarily affects Microsoft Office. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-0853?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-0853 published?: CVE-2018-0853 was published on 2018-02-15 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2016:*:*:*:click-to-run:*:*:*

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