Security readout for executives and security teams
Plain-English summary
A malicious webpage could exploit a memory-writing flaw in Chrome’s ANGLE graphics component and potentially run attacker-controlled code outside Chrome’s sandbox. User interaction is required, but merely reaching crafted web content may be sufficient. The supplied record rates the issue critical, while Chromium rates it High.
Executive priority
Treat this as an urgent browser update because exploitation could cross Chrome’s sandbox and compromise endpoint confidentiality, integrity, and availability. Accelerate deployment and verify coverage. Active exploitation is not established by the supplied evidence, so communicate urgency without claiming an ongoing campaign.
Technical view
CVE-2026-79189 is a CWE-787 out-of-bounds write in ANGLE affecting Google Chrome before 152.0.7977.65. The supplied CVSS 3.1 score is 9.6: network-accessible, low complexity, no privileges, user interaction required, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Endpoints running Chrome versions earlier than 152.0.7977.65 are the stated exposure. Risk is greatest where users browse untrusted sites or open externally supplied links. The bundle does not identify other affected browsers, operating systems, or products, so broader exposure should not be assumed.
Exploitation context
The described attack vector is a crafted HTML page delivered remotely. Successful exploitation could potentially execute arbitrary code outside the sandbox. The CVE is not listed as KEV in the supplied bundle, and no supplied source establishes active exploitation or public exploit availability.
Researcher notes
The source bundle identifies ANGLE and an out-of-bounds write but provides no root-cause detail, affected code path, platform breakdown, exploit reliability, indicators, or alternate mitigations. Its affected-version entry is ambiguous, while the description clearly states Chrome before 152.0.7977.65; validate precise version scope against vendor guidance.
Mitigation direction
- Update desktop Chrome to version 152.0.7977.65 or later.
- Prioritize externally browsing workstations and privileged-user endpoints.
- Check Google and Chromium guidance for any additional mitigations or platform-specific instructions.
- Reduce access to untrusted web content until affected endpoints are updated.
Validation and detection
- Inventory installed Chrome versions across managed endpoints.
- Confirm no managed endpoint remains below 152.0.7977.65.
- Verify the updated browser successfully restarted and reports the expected version.
- Review deployment failures and offline devices for unresolved exposure.
- Monitor vendor guidance for revised affected-version or exploitation information.
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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-79189 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
- Critical
- CVSS
- 9.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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.
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:C/C:H/I:H/A:H2.86CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.6CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.htmlCVE reference, Chrome
- https://issues.chromium.org/issues/536505721CVE 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 Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.