Analyst readout for executives and security teams
Plain-English summary
CVE-2026-9913 is a Chrome browser flaw in ANGLE, the graphics translation layer. A user who opens a crafted HTML page could trigger out-of-bounds memory access. Public data shows limited confidentiality impact, required user interaction, and no CISA KEV listing for known exploitation.
Executive priority
Treat as a timely browser patching issue, not an emergency zero-day based on current evidence. Prioritize normal rapid browser update processes because exploitation only requires a user visiting malicious web content.
Technical view
The CVE describes inappropriate implementation in ANGLE causing CWE-125 out-of-bounds memory access via crafted HTML in Chrome before 148.0.7778.216. CVSS 3.1 is 4.3: network reachable, low complexity, no privileges, user interaction required, unchanged scope, and low confidentiality impact.
Likely exposure
Organizations with Chrome versions older than 148.0.7778.216 are the likely exposure group, especially fleets with delayed desktop browser patching or users browsing untrusted websites.
Exploitation context
The sources describe remote exploitation through a crafted HTML page, but do not report active exploitation or public exploit availability. KEV status is false in the supplied bundle.
Researcher notes
The public issue may have limited detail. The CVE maps to CWE-125 and references ANGLE, but sources do not provide root-cause specifics, proof-of-concept details, or evidence of exploitation. Chrome labels the issue High while CVSS scores it Medium.
Mitigation direction
- Update Google Chrome to version 148.0.7778.216 or later per Chrome release guidance.
- Prioritize managed desktop browser fleets with delayed or disabled auto-update.
- Restrict use of unsupported or unpatched Chrome versions.
- Monitor Google Chrome release notes for any revised remediation guidance.
Validation and detection
- Inventory Chrome versions across managed endpoints.
- Confirm systems are on 148.0.7778.216 or later.
- Check browser update policy enforcement for blocked or deferred updates.
- Review vulnerability scanner findings against the CVE record and Chrome release note.
Public sources used
Based on public source material and reviewed before publication.
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-125: 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-2026-9913 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
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
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.
SSVC decision data
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:L/I:N/A:N 2.8 1.4 CISA-ADP Vulnerability scoring details
Base CVSS 3.1 score
4.3 MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reserved CVE Program
The CVE ID was reserved by the assigning CNA.
- CVE published CVE Program
The CVE record was published.
- CVE updated CVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 source CVE List V5
- https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html CVE reference, Chrome
- https://issues.chromium.org/issues/500046096 CVE reference, Chrome
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 Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.