Vulnerability · CVE-2026-4645
Duplicate of CVE-2026-32287
Published Mar 23, 2026 · catalog updated Mar 30, 2026 · Duplicate of
Last checked Nov 13, 2026. A connected source was read within the last 7 days.
Check this week
CVE-2026-4645 is not in CISA KEV. FIRST estimates a 15.00% chance of exploitation in the next 30 days. Check whether you run Duplicate of.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (Duplicate of).
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 15.00%
- Remediation
- Vendor / distro source
- Affected products
- vendor redhat
CVE-2026-4645 - Security Update Guide - Microsoft - Github.com/antchfx/xpath: xpath: denial of service via crafted boolean xpath expressions
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor redhatversion unspecified
How to fix CVE-2026-4645
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2026-4645 is not in CISA KEV. FIRST estimates a 15.00% chance of exploitation in the next 30 days. Check whether you run Duplicate of.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 15.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 30, 2026 · EUVD
Updated
Duplicate of CVE-2026-32287
Apr 9, 2026 · urlscan.io
Detected
CVE-2026-4645 - Security Update Guide - Microsoft - Github.com/antchfx/xpath: xpath: denial of service via crafted boolean xpath expressions
Sources
- CVE.orgVulnerability recordCVE-2026-4645
Official CVE identifier
cve.org - EUVDVulnerability recordEUVD-2026-14434
Duplicate of CVE-2026-32287
euvd.enisa.europa.eu - urlscan.ioThreat intelligenceCVE-2026-4645urlscan.io
References
Freshness
Last verified in this catalog Nov 13, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- EUVDNov 13, 2026
- CVE.orgNov 7, 2026
- urlscan.ioNov 6, 2026