Buffer overflow in Microsoft Windows
CVE-2020-0986
An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory, aka 'Windows Kernel Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1237, CVE-2020-1246, CVE-2020-1262, CVE-2020-1264, CVE-2020-1266, CVE-2020-1269, CVE-2020-1273, CVE-2020-1274, CVE-2020-1275, CVE-2020-1276, CVE-2020-1307, CVE-2020-1316.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.164 (96.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.159 · newest: 0.164 · change: +0.005
Affected products
- Microsoft Windows — versions 10 Version 1803 for 32-bit Systems, 10 Version 1803 for x64-based Systems, 10 Version 1803 for ARM64-based Systems
- Microsoft Windows 10 1507
- Microsoft Windows 10 1607
- Microsoft Windows 10 1709
- Microsoft Windows 10 1803
- Microsoft Windows 10 1809
- Microsoft Windows 10 1903
- Microsoft Windows 10 1909
- Microsoft Windows 10 2004
- Microsoft Windows 10 Version 1903 For 32-Bit Systems — versions unspecified
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
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0986 (Patch, Vendor Advisory)
- packetstormsecurity.com/files/160698/Microsoft-Windows-splWOW64-Privilege-Escal… (VDB Entry, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2020-0986?
- CVE-2020-0986 is a high-severity vulnerability in Microsoft Windows, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2020-06-09.
- How severe is CVE-2020-0986?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-0986 known to be exploited?
- Yes. CVE-2020-0986 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 6 public proof-of-concept repositories are indexed.