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Vulnerabilities

Vulnerability · CVE-2017-8542

CVE-2017-8542 is listed by inventory_critical.

Published May 26, 2017 · catalog updated Jun 17, 2026 · malware protection engine

Last checked Nov 8, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2017-8542. EPSS is 6.02%. Act only if a listed version of malware protection engine is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
6.02%
Remediation
Version ranges on file
Affected products
cpe microsoft/forefront security · cpe microsoft/malware protection engine · cpe microsoft/windows defender

CVE-2017-8542 is listed by inventory_critical.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/forefront securityversion unspecified
  • cpe microsoft/malware protection engine<= 1.1.13704.0
  • cpe microsoft/windows defenderversion unspecified

How to fix CVE-2017-8542

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2017-8542. EPSS is 6.02%. Act only if a listed version of malware protection engine is installed.

Which versions are affected?

Compare what you have installed with microsoft/malware protection engine <= 1.1.13704.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-119: Buffer Overflow; CWE-369; CWE-476: NULL Pointer Dereference. EPSS 6.02%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 26, 2017 · Monitored products — critical

    Detected

    CVE-2017-8542 is listed by inventory_critical.

  2. Jun 17, 2026 · Monitored products — critical

    Updated

    CVE-2017-8542 is listed by inventory_critical.

Sources

  • CVE.orgVulnerability recordCVE-2017-8542

    Official CVE identifier

    cve.org
  • Monitored products — criticalVendor advisoryCVE-2017-8542

    The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016, Microsoft Exchange Server 2013 and 2016, does not properly scan a specially crafted file leading to denial of servic

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Monitored products — criticalNov 8, 2026
  • CVE.orgNov 2, 2026