Buffer overflow in Microsoft Chakracore
CVE-2018-0778
Microsoft Edge in Windows 10 1709 allows an attacker to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0758, CVE-2018-0762, CVE-2018-0768, CVE-2018-0769, CVE-2018-0770, CVE-2018-0772, CVE-2018-0773, CVE-2018-0774, CVE-2018-0775, CVE-2018-0776, CVE-2018-0777, and CVE-2018-0781.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.086 (94.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.086 · newest: 0.086 · change: 0.000
Affected products
- Microsoft Chakracore
- Microsoft Edge
- Microsoft Windows 10 — versions 1709
- Microsoft Corporation Edge — versions Windows 10 1709
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1040100 (VDB Entry, Third Party Advisory, vdb-entry)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0778 (Patch, Vendor Advisory)
- www.securityfocus.com/bid/102403 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-0778?
- CVE-2018-0778 is a high-severity vulnerability in Microsoft Chakracore, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2018-01-04.
- How severe is CVE-2018-0778?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-0778 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.