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Vulnerabilities

Vulnerability · CVE-2026-70096

Heap-based buffer overflow in Windows Rich Text Edit Control allows an unauthorized attacker to execute code over a network.

Published Oct 13, 2026 · catalog updated Oct 15, 2026 · Heap-based buffer overflow in

Check if you run it

No confirmed exploitation is on record for CVE-2026-70096. EPSS is 0.96%. Act only if a listed version of Heap-based buffer overflow in is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Heap-based buffer overflow in).
  • 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
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.96%
Remediation
Advisory link
Affected products
See sources for product scope

Heap-based buffer overflow in Windows Rich Text Edit Control allows an unauthorized attacker to execute code over a network.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-70096

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-70096. EPSS is 0.96%. Act only if a listed version of Heap-based buffer overflow in is installed.

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?

CWE-122: Heap-based Buffer Overflow. EPSS 0.96%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

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.

  1. Oct 13, 2026 · NIST NVD

    Detected

    Heap-based buffer overflow in Windows Rich Text Edit Control allows an unauthorized attacker to execute code over a network.

  2. Oct 15, 2026 · NIST NVD

    Updated

    Heap-based buffer overflow in Windows Rich Text Edit Control allows an unauthorized attacker to execute code over a network.

Sources

  • CVE.orgVulnerability recordCVE-2026-70096

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-70096

    30-day exploitation probability 1.0%

    first.org
  • NIST NVDVulnerability recordCVE-2026-70096

    Heap-based buffer overflow in Windows Rich Text Edit Control allows an unauthorized attacker to execute code over a network.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.