Vulnerability · CVE-2026-113325

Memory corruption in SignIn in Google Chrome on on iOS prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page.

Q: Which versions are affected?

Compare what you have installed with < 156.0.8078.47. Compare the installed version with the linked vendor advisory before you change production.

Q: What should an analyst verify?

CWE-119: Buffer Overflow. EPSS 0.33%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Published Oct 20, 2026 · catalog updated Oct 22, 2026 · Memory corruption in SignIn

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-113325. EPSS is 0.33%. Act only if a listed version of Memory corruption in SignIn is installed.

Gaps on this record

The stored product name is a package slug. The name on this page is taken from the title (Memory corruption in SignIn).
No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

CVE-2026-113344 · High
CVE-2026-113343 · High
CVE-2026-113342 · Critical
CVE-2026-113341 · Medium
CVE-2026-113340 · Medium

Severity: Medium6.5
Known exploitation: Not in CISA/VulnCheck KEV
EPSS: 0.33%
Remediation: Version ranges on file
Affected products: cpe google/chrome · package unmanaged

Memory corruption in SignIn in Google Chrome on on iOS prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

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.

cpe google/chrome< 156.0.8078.47
package unmanagedversion unspecified

How to fix CVE-2026-113325

Upgrade
CVE-2026-113325 lists a fix boundary at 156.0.8078.47. Compare the installed build with that boundary before you change production.
Version check
Affected < 156.0.8078.47
Advisory
Open the bsi 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?

No confirmed exploitation is on record for CVE-2026-113325. EPSS is 0.33%. Act only if a listed version of Memory corruption in SignIn is installed.

Which versions are affected?

Compare what you have installed with < 156.0.8078.47. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-119: Buffer Overflow. EPSS 0.33%. 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.

Oct 20, 2026 · NIST NVD
Detected
Memory corruption in SignIn in Google Chrome on on iOS prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Oct 21, 2026 · NIST NVD
Updated
Memory corruption in SignIn in Google Chrome on on iOS prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Oct 22, 2026 · NIST NVD
Updated
Memory corruption in SignIn in Google Chrome on on iOS prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

Sources

BSI CERT-BundGovernment advisoryCVE-2026-113325
Google Chrome / Microsoft Edge: Mehrere Schwachstellen
wid.cert-bund.de
CVE.orgVulnerability recordCVE-2026-113325
Official CVE identifier
cve.org
FIRST EPSSExploitation probabilityCVE-2026-113325
30-day exploitation probability 0.33%
first.org
NIST NVDVulnerability recordCVE-2026-113325
Memory corruption in SignIn in Google Chrome on on iOS prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
nvd.nist.gov
Snyk Vulnerability DatabasePackage advisorySNYK-UNMANAGED-CHROMIUM-21373961
Improper Restriction of Operations within the Bounds of a Memory Buffer
security.snyk.io

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

FIRST EPSSNov 4, 2026
BSI CERT-BundOct 27, 2026
Snyk Vulnerability DatabaseOct 24, 2026
NIST NVDOct 22, 2026
CVE.orgOct 21, 2026

Priority score

16/100

Evidence confidence: High

A vendor or government advisory agrees with at least one other source.

Confirmed exploitation0/30
EPSS probability1/20
CVSS severity10/15
Public exploit0/10
Internet exposure0/10
Product prevalence5/5
Detection0/5
Threat research0/5

Decision signals

Four separate signals — do not infer one from another.

Medium

CVSS severity
6.5 v3.1
Technical impact. Separate from exploitation likelihood.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS probability
0.33% · p26.38%
Estimated probability of exploitation within 30 days (FIRST).
Known exploitation
No verified KEV listing
Evidence from CISA KEV or VulnCheck KEV only — not from EPSS alone.
Patch availability
Version ranges on file
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.

Stacks

Chrome Edge Google Microsoft

Weakness

CWE-119
Buffer Overflow
MITRE definition

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