Buffer overflow in Microsoft Endpoint_protection
CVE-2017-8540
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, 15…
Vulnerability class: Buffer Overflow
EPSS: 0.720 (99.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Endpoint_protection
- Microsoft Exchange_server — versions 2013, 2016
- Microsoft Forefront_endpoint_protection — versions 2010
- Microsoft Forefront_security
- Microsoft Intune_endpoint_protection
- Microsoft Malware_protection_engine
- Microsoft Security_essentials
- Microsoft System_center_endpoint_protection
- Microsoft Windows_10_1507
- Microsoft Windows_10_1511
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
- secure@microsoft.com (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK, Broken Link)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2017-8540?
- CVE-2017-8540 is a high-severity vulnerability in Microsoft Endpoint_protection, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2017-05-26.
- How severe is CVE-2017-8540?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-8540 known to be exploited?
- Yes. CVE-2017-8540 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 4 public proof-of-concept repositories are indexed.