Apply updates per vendor instructions.
Evidence dossier
CVE-2013-3897
CVE-2013-3897
79.6–95.9Priority evidence range
gen-56ccdaf9Normalized restatement
Use-after-free vulnerability in the CDisplayPointer class in mshtml.dll in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted JavaScript code that uses the onpropertychange event handler, as exploited in the wild in September and October 2013, aka "Internet Explorer Memory Corruption Vulnerability."
- State
- PUBLISHED
- Published
- Oct 9, 2013
- Updated
- Oct 22, 2025
- Evidence coverage
- 85%
2026-07-18 · v2026.06.15 · percentile 99.5%
Distinct CVSS assessments remain side by side; none are averaged.
Source comparison
Who said what
microsoftoriginal assertion
container
Use-after-free vulnerability in the CDisplayPointer class in mshtml.dll in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted JavaScript code that uses the onpropertychange event handler, as exploited in the wild in September and October 2013, aka "Internet Explorer Memory Corruption Vulnerability."
Jul 19, 2026Original evidence ↗
CISA KEVoriginal assertion
observed_exploitation
Microsoft Internet Explorer Use-After-Free Vulnerability
Jul 19, 2026Original evidence ↗
FIRST EPSSoriginal assertion
model_probability
Probability 0.774620000000; percentile 0.995080000000
Jul 19, 2026Original evidence ↗
Applicability
Cited product scope
n/an/a
[{"status": "affected", "version": "n/a"}]unknownUnknown vendorUnknown product
cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*supportedUnknown vendorUnknown product
cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*supportedUnknown vendorUnknown product
cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*supportedUnknown vendorUnknown product
cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*supportedUnknown vendorUnknown product
cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*supportedUnknown vendorUnknown product
cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*supportedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_8:-:*:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*constrainedUnknown vendorUnknown product
cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*constrainedAssessments
CVSS by origin
nvd@nist.govCVSS 3.1 · role Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hnvd@nist.govCVSS 2.0 · role Primary
AV:N/AC:M/Au:N/C:C/I:C/A:C134c704f-9b21-4f2e-91b3-4a467353bcc0CVSS 3.1 · role Secondary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCISA-ADPCVSS 3.1 · role unknown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HLimitations and unknowns
- KEV membership is authoritative for the catalog, not proof of exposure in any environment.
- EPSS is a dated model probability and not an individual-environment prediction.
- Affected or fixed status applies only to the exact cited product and version scope; unresolved scope remains unknown.
- NVD-carried upstream facts remain derivative and are not independent corroboration.
- Only NVD metrics validated under the generation-bound calculator are Public Priority eligible; direct CVE record metrics remain display-only.
- NVD CVSS source eligibility is closed: NVD-authored, exact record-source, or registered same-CVE container origin; unmapped sources remain display-only.
- Factor D is unknown in Public Core because no accepted canonical mapping-obligation ledger is present.
- Core replay supports the active and immediately prior generation; retrospective valid-at replay is deferred.