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CVE-2025-2135

INDEX BUILT · 2026-09-20

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Type Confusion in V8 in Google Chrome prior to 134.0.6998.88 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page

CVE-2025-21354 of 4 sources documented this
19

rank 19 = 16 + 0 + 1 + 2 + 0

rank@v1 · backlog

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.06814  ·  without this subject the record ranks 3

What it costs you if it fires

NVD CVSS base score, then the CNA's own

no CVSS held by anyone  ·  without this subject the record ranks 19

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

rose on 2026-04-18  ·  without this subject the record ranks 18

How much of the world it touches

NVD CPE configurations

1 product in the CPE ranges  ·  without this subject the record ranks 17

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 19

Hindsight · the state

0.06814EPSSNOT IN KEVas of 2026-09-20
Severitynot scored
Harmnot stated
Exploitationpublic proof-of-conceptreceipt
Defensefix version namedreceipt
Movementrisenreceipt
PLATEAU10Minimal movement since 2025-03-11, 524 days at 0.07, as of 2026-08-17. arc-rules@v1

Foresight · where to check next

MicrosoftCVE-2012-0507Microsoft WindowsGoogle Chrome2135

This record is one instance of CWE-843, access of resource using incompatible type ('type confusion'). The index holds 924 prior instances of this class, 42 KEV-listed. The nearest of its KEV-listed records are drawn beside this. taxonomy@v1

Full pattern panel

Prior records in this weakness class. Each is its own record, dated and receipted.
Color is a claim, not decoration:the hostile worldthe defenseno signal

Running Google Chrome? Check your version

A deterministic range check against the ranges this record publishes. It tells you where a version sits in the record, not whether your deployment is exploitable. No account needed.

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Harm, if it fires from the vector and the weakness

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ReachNo CVSS vector in held sources, so no reach or impact can be stated.
Weakness classCWE-843 Access of Resource Using Incompatible Type ('Type Confusion')receipt
Published consequencesCWE-843: Availability, Integrity, Confidentiality: Read Memory, Modify Memory, Execute Unauthorized Code or Commands, DoS: Crash, Exit, or Restart[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed in134.0.6998.88receipt
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Proof-of-concept published · 1 public repository, 2025-05-19.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published · 1 public repository2025-05-19receipt
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

Exploit probability0.06814 · top 6% of all CVEsreceipt
Blast breadth1 product across 1 vendorderived
Assigned byChromereceipt
Recorded changes55 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productGoogle Chromereceipt
Published rangesgoogle chrome < 134.0.6998.88receipt
Fixed in134.0.6998.88receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

Type Confusion in V8 in Google Chrome prior to 134.0.6998.88 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High) receipt

NVD's analysis a second authority

weakness
CWE-843
affected versions
google chrome < 134.0.6998.88
also scored by
8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

check it yourself chromereleases.googleblog.com issues.chromium.org receipt

Movement the material steps

11 Mar 20250.00043
17 Mar 20250.00063 · scoring model v2025.03.14
15 Jun 20260.06387 · scoring model v2026.06.15
17 Aug 20260.06814
Show all 52 observations
11 Mar 20250.00043
17 Mar 20250.00063
29 Mar 20250.00045
30 Mar 20250.00063
8 Apr 20250.00069
11 Apr 20250.00075
4 May 20250.00062
17 May 20250.00072
31 May 20250.0005
1 Jun 20250.00072
4 Jun 20250.0005
1 Jul 20250.00072
4 Jul 20250.0005
10 Jul 20250.00076
16 Jul 20250.00086
1 Aug 20250.00123
4 Aug 20250.00086
6 Aug 20250.00089
7 Aug 20250.001
18 Aug 20250.00113
1 Sep 20250.0016
4 Sep 20250.00113
1 Oct 20250.0016
4 Oct 20250.00128
14 Oct 20250.00143
1 Nov 20250.00203
4 Nov 20250.00143
13 Nov 20250.00167
18 Nov 20250.00316
21 Nov 20250.00167
24 Nov 20250.00175
1 Dec 20250.00247
4 Dec 20250.00175
6 Dec 20250.00188
1 Jan 20260.00265
4 Jan 20260.00198
1 Feb 20260.0028
4 Feb 20260.00198
1 Mar 20260.0028
4 Mar 20260.00198
7 Apr 20260.00185
18 Apr 20260.04826
19 Apr 20260.07289
21 Apr 20260.02631
22 May 20260.02702
24 May 20260.02099
27 May 20260.02702
29 May 20260.02631
15 Jun 20260.06387
6 Aug 20260.0638
8 Aug 20260.06754
17 Aug 20260.06814

52 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.06814Published2025-03-10Public PoC2025-05-19Index as of2026-08-17

The record had been public for 1 year, 5 months when this index was last written.

Published 2025-03-10 receipt · Public PoC 2025-05-19 receipt · Index as of 2026-08-17 derived

The pattern, elsewhere

This record is one instance of CWE-843, access of resource using incompatible type ('type confusion'). The index holds 924 prior instances of this class, 42 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2019-0752 · Microsoft Internet Explorer 11only 1 attribute comparableKEV listed · 2019receipt
CVE-2012-0507nothing comparable heldKEV listed · 2012receipt
CVE-2026-21519 · Microsoft Windows 10 Version 1607only 1 attribute comparableKEV listed · 2026receipt
CVE-2026-85046 · Google Chromeonly 1 attribute comparableKEV listed · 2026receipt
CVE-2025-10585 · Google Chromeonly 1 attribute comparableKEV listed · 2025receipt
CVE-2025-13223 · Google Chromeonly 1 attribute comparableKEV listed · 2025receipt

"Matches n of m" counts the attributes the two records can both be compared on: the CVSS metrics they share a version of, any weakness class beyond this one, and the vendor. fit-rules@v1

924 records in this class held. The six above are drawn from the ones CISA has listed as exploited, ranked by how much of the record matches this one. That is why every one of them is KEV-listed: the pool is, so the colour on those spokes says nothing the pool has not already said.

No curated product neighbourhood is held for this product, so the records above are the nearest this index can name. The neighbourhood table covers a small set of products and is extended by hand.

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