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Back to active CVEs
High · CVSS 8.8Known ExploitedCVE-2026-87491

CISA ADP VulnrichmentCVE-2026-87491

Answer in brief

CVE-2026-87491 records a High severity (CVSS 8.8) vulnerability in CISA ADP Vulnrichment. The current sources mark it as known exploited. The current feed maps Google/Chrome (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 9, 2026Updated Sep 23, 2026Source checked Oct 25, 2026First seen by HOL Sep 9, 2026Material review Sep 23, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.8
Exploitation
Known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.8. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Google/Chrome (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Google/Chromegeneric>=153.0.8010.36 <153.0.8010.36Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Google/Chrome.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Sep 9, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 23, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 9, 2026

  4. Added to CISA KEV

    Sep 9, 2026

    Evidence: source:kev:kev:kev:record

Sources and claim methodology

  • Source referencechromereleases.googleblog.com
  • Source referenceissues.chromium.org
  • CISA Known Exploited Vulnerabilities catalogcisa.gov
Upstream source description

Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Memory Corruption
EPSS
Not reported
CWE IDs
CWE-787
Source
CVE List V5
Source checked
Oct 25, 2026
References
3 linked sources
Open source record