Security readout for executives and security teams
Plain-English summary
A malicious webpage could abuse Chrome’s Actor feature to bypass system access restrictions, but only with social engineering. Google rates the Chromium flaw Low severity. The supplied critical CVSS rating conflicts with that description, particularly its claim that no user interaction is required.
Executive priority
Schedule a prompt organization-wide browser update, but available evidence does not justify critical-incident handling by itself. Escalate priority for high-value users or delayed-update systems. Monitor authoritative sources for exploitation reports or revised severity information.
Technical view
CVE-2026-79090 is a CWE-269 improper privilege-management flaw in Google Chrome before 152.0.7977.65. A remote attacker could use a crafted HTML page and social engineering to bypass system access restrictions. The sources do not specify the resulting privileges, affected operating systems, or technical mechanism.
Likely exposure
Users running Chrome versions earlier than 152.0.7977.65 may be exposed when interacting with attacker-controlled web content. The bundle does not establish exposure for version 152.0.7977.65 itself; the wording indicates that release contains the correction.
Exploitation context
The supplied sources do not report active exploitation, and the CVE is not identified as being in KEV. Exploitation requires a crafted HTML page and social engineering according to the description. No reliable evidence here supports the supplied CVSS assertion of no user interaction.
Researcher notes
The record is internally inconsistent: Chromium rates the issue Low and describes social engineering, while the supplied CVSS 9.8 vector states UI:N and maximum impact. The affected-version entry also lists 152.0.7977.65, although the narrative says versions prior to it are vulnerable. Treat the fixed boundary as better supported than the structured entry.
Mitigation direction
- Update Google Chrome to version 152.0.7977.65 or later.
- Prioritize managed browser fleets and systems handling sensitive information.
- Review Google’s release advisory for platform-specific rollout details.
- Reinforce guidance against interacting with unexpected or untrusted webpages.
Validation and detection
- Inventory installed Chrome versions across managed endpoints.
- Confirm no installations remain below 152.0.7977.65.
- Verify browser management reports successful update deployment.
- Check Google’s advisory for any subsequently published guidance or affected-platform clarification.
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-269: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2026-79090 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
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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.
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:N/S:U/C:H/I:H/A:H3.95.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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/517673944CVE 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.
Improper Privilege Management
Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.