Security readout for executives and security teams
Plain-English summary
CVE-2020-16013 is a high-severity Google Chrome V8 flaw that could let a remote attacker corrupt browser memory if a user opens a crafted HTML page. CISA lists it as known exploited, so this should be treated as real-world risk, not only a theoretical browser bug.
Executive priority
Prioritize remediation where Chrome is user-facing, broadly deployed, or unmanaged. The fix is straightforward browser updating, but KEV status means delayed remediation increases business risk from web-delivered compromise.
Technical view
The CVE describes inappropriate implementation in V8 causing potential heap corruption in Google Chrome before 86.0.4240.198. It maps to CWE-787 and has CVSS 8.8 with network attack vector, low complexity, no privileges required, and user interaction required.
Likely exposure
Exposure is most likely on managed or unmanaged systems still running Google Chrome versions earlier than 86.0.4240.198. The supplied sources identify Google Chrome only; they do not establish other affected products.
Exploitation context
CISA KEV inclusion supports known exploitation. The sources do not provide campaign details, exploit maturity, attacker identity, or whether exploitation remains active today. The attack path requires user interaction with malicious web content.
Researcher notes
Public details in the supplied sources are limited. Treat this as a V8 heap corruption issue with user-assisted web content delivery. Do not infer exploit primitives, affected Chromium derivatives, or mitigations beyond Google’s fixed Chrome version and vendor guidance.
Mitigation direction
- Upgrade Google Chrome to 86.0.4240.198 or later.
- Verify browser auto-update is functioning across managed endpoints.
- Prioritize unmanaged, kiosk, legacy, and VDI browser inventories.
- Follow Google and CISA guidance for any environment-specific direction.
- Remove or isolate systems that cannot run a supported Chrome version.
Validation and detection
- Inventory Chrome versions across endpoints and user profiles.
- Confirm no Chrome installation is earlier than 86.0.4240.198.
- Check vulnerability scanner findings for CVE-2020-16013 closure.
- Review endpoint management reports for failed browser updates.
- Track exceptions with owner, deadline, and compensating controls.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2020-16013 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://crbug.com/1147206CVE reference · x_refsource_MISC
- https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_11.htmlCVE reference · x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-16013CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.