CVE-2026-87443: Missing authorization in Actor
CVE-2026-87443 key facts
- CISA KEV
- Not listed (catalogue checked )
- Highest advisory rating
- High
- CVSS base score
- 6.5 (Red Hat)
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N(Red Hat)
- Weakness
- CWE-425
- Listed by VulniPulse
- Record changed
Ratings, versions and fixes are quoted from the vendor advisories that cover only CVE-2026-87443; each belongs to its advisory, not to every product listed. How records are collected and checked.
Vendor advisories for CVE-2026-87443
Palo Alto
1 advisory- Advisory severityHigh
High [CVE-2026-102299 +448] PAN-SA-2026-0013 Chromium: Monthly Vulnerability Update (October 2026)
PAN-SA-2026-0013Source published
This bulletin covers 449 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
PAN-SA-2026-0013 Chromium: Monthly Vulnerability Update (October 2026)
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- Prisma Browser < 152.8.5.83
- Source-reported fixed versions
- Prisma Browser >= 155.16.5.40
- Mitigation guidance
- Upgrade to a fixed release: Prisma Browser >= 155.16.5.40.
- Workarounds
- No known workarounds exist for this issue.
Red Hat
1 advisory- Advisory severityMedium6.5
Medium [CVE-2026-87443] Missing authorization in Actor
CVE-2026-87443Source published Source updated
Missing authorization in Actor in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium) A missing authorization flaw was found in the Actor component of the Chromium browser. Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N). Weakness: CWE-425.
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- < 153.0.8010.36
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
References
More Palo Alto advisories
CVE-2026-111497Oct 26, 2026Portfolio Status: Impact of Brotli Vulnerability on Palo Alto Networks ProductsCVE-2026-109618Oct 21, 2026Impact of Critical Vulnerabilities in PHP (CVE-2026-109618, CVE-2026-109619) on Palo AltoCVE-2026-0317Oct 14, 2026PAN-OS: Denial of Service VulnerabilityCVE-2026-0322Oct 14, 2026PAN-OS: Authenticated Remote Code Execution (RCE) in the Management InterfaceCVE-2026-0319Oct 14, 2026PAN-OS: Improper Input Handling VulnerabilityCVE-2026-0311Oct 14, 2026Checkov by Prisma Cloud: Server-Side Request Forgery Vulnerability
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